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29157299 = 137212827
BaseRepresentation
bin110111100111…
…0011110110011
32000212100021222
41233032132303
524431013144
62520535255
7502555463
oct157163663
960770258
1029157299
1115505346
12992152b
13606b552
143c2dba3
15285e2ee
hex1bce7b3

29157299 has 4 divisors (see below), whose sum is σ = 29370264. Its totient is φ = 28944336.

The previous prime is 29157257. The next prime is 29157313. The reversal of 29157299 is 99275192.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29157299 - 212 = 29153203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29157239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106277 + ... + 106550.

It is an arithmetic number, because the mean of its divisors is an integer number (7342566).

Almost surely, 229157299 is an apocalyptic number.

29157299 is a deficient number, since it is larger than the sum of its proper divisors (212965).

29157299 is a wasteful number, since it uses less digits than its factorization.

29157299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212964.

The product of its digits is 102060, while the sum is 44.

The square root of 29157299 is about 5399.7499016158. The cubic root of 29157299 is about 307.7861667235.

The spelling of 29157299 in words is "twenty-nine million, one hundred fifty-seven thousand, two hundred ninety-nine".

Divisors: 1 137 212827 29157299