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29157393 = 310790833
BaseRepresentation
bin110111100111…
…0100000010001
32000212100102110
41233032200101
524431014033
62520535533
7502555656
oct157164021
960770373
1029157393
1115505421
1299215a9
13606b5c5
143c2dc2d
15285e363
hex1bce811

29157393 has 8 divisors (see below), whose sum is σ = 39240288. Its totient is φ = 19256384.

The previous prime is 29157377. The next prime is 29157409. The reversal of 29157393 is 39375192.

It is an interprime number because it is at equal distance from previous prime (29157377) and next prime (29157409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29157393 - 24 = 29157377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29157313) 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, 45096 + ... + 45737.

It is an arithmetic number, because the mean of its divisors is an integer number (4905036).

Almost surely, 229157393 is an apocalyptic number.

It is an amenable number.

29157393 is a deficient number, since it is larger than the sum of its proper divisors (10082895).

29157393 is a wasteful number, since it uses less digits than its factorization.

29157393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90943.

The product of its digits is 51030, while the sum is 39.

The square root of 29157393 is about 5399.7586057156. The cubic root of 29157393 is about 307.7864974797.

The spelling of 29157393 in words is "twenty-nine million, one hundred fifty-seven thousand, three hundred ninety-three".

Divisors: 1 3 107 321 90833 272499 9719131 29157393