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165020352 = 2637199617
BaseRepresentation
bin10011101011000…
…00001011000000
3102111111220100220
421311200023000
5314221122402
624212543040
74042435620
oct1165401300
9374456326
10165020352
1185171262
1247321a80
132825a8a3
1417cb8880
15e749dbc
hex9d602c0

165020352 has 112 divisors (see below), whose sum is σ = 502310400. Its totient is φ = 46835712.

The previous prime is 165020327. The next prime is 165020363. The reversal of 165020352 is 253020561.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 267148 + ... + 267764.

Almost surely, 2165020352 is an apocalyptic number.

165020352 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 165020352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251155200).

165020352 is an abundant number, since it is smaller than the sum of its proper divisors (337290048).

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

165020352 is a wasteful number, since it uses less digits than its factorization.

165020352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 165020352 is about 12846.0247547636. The cubic root of 165020352 is about 548.5032051814.

The spelling of 165020352 in words is "one hundred sixty-five million, twenty thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 199 224 336 398 448 597 617 672 796 1194 1234 1344 1393 1592 1851 2388 2468 2786 3184 3702 4179 4319 4776 4936 5572 6368 7404 8358 8638 9552 9872 11144 12736 12957 14808 16716 17276 19104 19744 22288 25914 29616 33432 34552 38208 39488 44576 51828 59232 66864 69104 89152 103656 118464 122783 133728 138208 207312 245566 267456 276416 368349 414624 491132 736698 829248 859481 982264 1473396 1718962 1964528 2578443 2946792 3437924 3929056 5156886 5893584 6875848 7858112 10313772 11787168 13751696 20627544 23574336 27503392 41255088 55006784 82510176 165020352