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70163392 = 26133499
BaseRepresentation
bin1000010111010…
…01101111000000
311220000200002011
410023221233000
5120430212032
610543502304
71511243665
oct413515700
9156020064
1070163392
1136672882
121b5b7994
13116c8000
149465a6c
15625e247
hex42e9bc0

70163392 has 56 divisors (see below), whose sum is σ = 151130000. Its totient is φ = 32318208.

The previous prime is 70163381. The next prime is 70163393. The reversal of 70163392 is 29336107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70163393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140359 + ... + 140857.

It is an arithmetic number, because the mean of its divisors is an integer number (2698750).

Almost surely, 270163392 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 70163392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75565000).

70163392 is an abundant number, since it is smaller than the sum of its proper divisors (80966608).

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

70163392 is an equidigital number, since it uses as much as digits as its factorization.

70163392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 70163392 is about 8376.3591136006. The cubic root of 70163392 is about 412.4489403590.

Adding to 70163392 its reverse (29336107), we get a palindrome (99499499).

The spelling of 70163392 in words is "seventy million, one hundred sixty-three thousand, three hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 169 208 338 416 499 676 832 998 1352 1996 2197 2704 3992 4394 5408 6487 7984 8788 10816 12974 15968 17576 25948 31936 35152 51896 70304 84331 103792 140608 168662 207584 337324 415168 674648 1096303 1349296 2192606 2698592 4385212 5397184 8770424 17540848 35081696 70163392