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70717152 = 25311167401
BaseRepresentation
bin1000011011100…
…00111011100000
311221001210200210
410031300323200
5121100422102
611003414120
71516041312
oct415607340
9157053623
1070717152
1136a10930
121b824340
131186008c
14956b7b2
15631d36c
hex4370ee0

70717152 has 96 divisors (see below), whose sum is σ = 204228864. Its totient is φ = 21248000.

The previous prime is 70717151. The next prime is 70717181. The reversal of 70717152 is 25171707.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×707171522 = 10001831173982208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70717151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176152 + ... + 176552.

It is an arithmetic number, because the mean of its divisors is an integer number (2127384).

Almost surely, 270717152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70717152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102114432).

70717152 is an abundant number, since it is smaller than the sum of its proper divisors (133511712).

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

70717152 is a wasteful number, since it uses less digits than its factorization.

70717152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 70717152 is about 8409.3490830147. The cubic root of 70717152 is about 413.5311736442.

Adding to 70717152 its reverse (25171707), we get a palindrome (95888859).

The spelling of 70717152 in words is "seventy million, seven hundred seventeen thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 167 176 264 334 352 401 501 528 668 802 1002 1056 1203 1336 1604 1837 2004 2406 2672 3208 3674 4008 4411 4812 5344 5511 6416 7348 8016 8822 9624 11022 12832 13233 14696 16032 17644 19248 22044 26466 29392 35288 38496 44088 52932 58784 66967 70576 88176 105864 133934 141152 176352 200901 211728 267868 401802 423456 535736 736637 803604 1071472 1473274 1607208 2142944 2209911 2946548 3214416 4419822 5893096 6428832 8839644 11786192 17679288 23572384 35358576 70717152