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29124157 = 166717471
BaseRepresentation
bin110111100011…
…0011000111101
32000210122211111
41233012120331
524423433112
62520122021
7502360036
oct157063075
960718744
1029124157
1115492457
129906311
13605943a
143c21a8d
1528545a7
hex1bc663d

29124157 has 4 divisors (see below), whose sum is σ = 29143296. Its totient is φ = 29105020.

The previous prime is 29124133. The next prime is 29124181. The reversal of 29124157 is 75142192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (29124133) and next prime (29124181).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29124157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29124107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7069 + ... + 10402.

It is an arithmetic number, because the mean of its divisors is an integer number (7285824).

Almost surely, 229124157 is an apocalyptic number.

It is an amenable number.

29124157 is a deficient number, since it is larger than the sum of its proper divisors (19139).

29124157 is a wasteful number, since it uses less digits than its factorization.

29124157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19138.

The product of its digits is 5040, while the sum is 31.

The square root of 29124157 is about 5396.6801832238. The cubic root of 29124157 is about 307.6695062094.

The spelling of 29124157 in words is "twenty-nine million, one hundred twenty-four thousand, one hundred fifty-seven".

Divisors: 1 1667 17471 29124157