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142204032 = 2733231789
BaseRepresentation
bin10000111100111…
…01110010000000
3100220120201021000
420132131302000
5242401012112
622035532000
73344500005
oct1036356200
9326521230
10142204032
11732a7aa3
123b75a000
13235cc5c9
1414c598ac
15c73e7dc
hex879dc80

142204032 has 128 divisors (see below), whose sum is σ = 438192000. Its totient is φ = 45315072.

The previous prime is 142204021. The next prime is 142204043. The reversal of 142204032 is 230402241.

It is an interprime number because it is at equal distance from previous prime (142204021) and next prime (142204043).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142203996 and 142204014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78594 + ... + 80382.

It is an arithmetic number, because the mean of its divisors is an integer number (3423375).

Almost surely, 2142204032 is an apocalyptic number.

142204032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142204032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219096000).

142204032 is an abundant number, since it is smaller than the sum of its proper divisors (295987968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142204032 is a wasteful number, since it uses less digits than its factorization.

142204032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1817 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142204032 is about 11924.9332073601. The cubic root of 142204032 is about 521.9600973594.

Adding to 142204032 its reverse (230402241), we get a palindrome (372606273).

The spelling of 142204032 in words is "one hundred forty-two million, two hundred four thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 64 69 72 92 96 108 128 138 144 184 192 207 216 276 288 368 384 414 432 552 576 621 736 828 864 1104 1152 1242 1472 1656 1728 1789 2208 2484 2944 3312 3456 3578 4416 4968 5367 6624 7156 8832 9936 10734 13248 14312 16101 19872 21468 26496 28624 32202 39744 41147 42936 48303 57248 64404 79488 82294 85872 96606 114496 123441 128808 164588 171744 193212 228992 246882 257616 329176 343488 370323 386424 493764 515232 658352 686976 740646 772848 987528 1030464 1110969 1316704 1481292 1545696 1975056 2060928 2221938 2633408 2962584 3091392 3950112 4443876 5266816 5925168 6182784 7900224 8887752 11850336 15800448 17775504 23700672 35551008 47401344 71102016 142204032