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147740684 = 227213232521
BaseRepresentation
bin10001100111001…
…01100000001100
3101022000000010012
420303211200030
5300310200214
622354332352
73442526600
oct1063454014
9338000105
10147740684
1176439843
124158a0b8
13247ba730
141589b500
15ce8503e
hex8ce580c

147740684 has 72 divisors (see below), whose sum is σ = 338109408. Its totient is φ = 55883520.

The previous prime is 147740653. The next prime is 147740689. The reversal of 147740684 is 486047741.

It is not an unprimeable number, because it can be changed into a prime (147740689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57344 + ... + 59864.

It is an arithmetic number, because the mean of its divisors is an integer number (4695964).

Almost surely, 2147740684 is an apocalyptic number.

147740684 is a gapful number since it is divisible by the number (14) 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 147740684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169054704).

147740684 is an abundant number, since it is smaller than the sum of its proper divisors (190368724).

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

147740684 is a wasteful number, since it uses less digits than its factorization.

147740684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 147740684 is about 12154.8625660680. The cubic root of 147740684 is about 528.6481318024.

The spelling of 147740684 in words is "one hundred forty-seven million, seven hundred forty thousand, six hundred eighty-four".

Divisors: 1 2 4 7 13 14 23 26 28 46 49 52 91 92 98 161 182 196 299 322 364 598 637 644 1127 1196 1274 2093 2254 2521 2548 4186 4508 5042 8372 10084 14651 17647 29302 32773 35294 57983 58604 65546 70588 115966 123529 131092 229411 231932 247058 405881 458822 494116 753779 811762 917644 1507558 1605877 1623524 2841167 3015116 3211754 5276453 5682334 6423508 10552906 11364668 21105812 36935171 73870342 147740684