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29157429 = 371388449
BaseRepresentation
bin110111100111…
…0100000110101
32000212100110210
41233032200311
524431014204
62520540033
7502556040
oct157164065
960770423
1029157429
1115505454
129921619
13606b622
143c2dc57
15285e389
hex1bce835

29157429 has 8 divisors (see below), whose sum is σ = 44430400. Its totient is φ = 16661376.

The previous prime is 29157413. The next prime is 29157433. The reversal of 29157429 is 92475192.

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

It is not a de Polignac number, because 29157429 - 24 = 29157413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29157409) 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, 694204 + ... + 694245.

It is an arithmetic number, because the mean of its divisors is an integer number (5553800).

Almost surely, 229157429 is an apocalyptic number.

It is an amenable number.

29157429 is a deficient number, since it is larger than the sum of its proper divisors (15272971).

29157429 is a wasteful number, since it uses less digits than its factorization.

29157429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388459.

The product of its digits is 45360, while the sum is 39.

The square root of 29157429 is about 5399.7619391969. The cubic root of 29157429 is about 307.7866241521.

The spelling of 29157429 in words is "twenty-nine million, one hundred fifty-seven thousand, four hundred twenty-nine".

Divisors: 1 3 7 21 1388449 4165347 9719143 29157429