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29557485 = 325656833
BaseRepresentation
bin111000011000…
…0001011101101
32001121200020200
41300300023231
530031314420
62533304113
7506143266
oct160601355
961550220
1029557485
1115758a81
129a95039
13617b749
143cd596d
1528dcb90
hex1c302ed

29557485 has 12 divisors (see below), whose sum is σ = 51233052. Its totient is φ = 15763968.

The previous prime is 29557459. The next prime is 29557499. The reversal of 29557485 is 58475592.

It can be written as a sum of positive squares in 2 ways, for example, as 21706281 + 7851204 = 4659^2 + 2802^2 .

It is not a de Polignac number, because 29557485 - 25 = 29557453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 656833 = 29557485 / (2 + 9 + 5 + 5 + 7 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 29557485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328372 + ... + 328461.

It is an arithmetic number, because the mean of its divisors is an integer number (4269421).

Almost surely, 229557485 is an apocalyptic number.

It is an amenable number.

29557485 is a deficient number, since it is larger than the sum of its proper divisors (21675567).

29557485 is a wasteful number, since it uses less digits than its factorization.

29557485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656844 (or 656841 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 29557485 is about 5436.6795932812. The cubic root of 29557485 is about 309.1879021780.

It can be divided in two parts, 2955 and 7485, that added together give a triangular number (10440 = T144).

The spelling of 29557485 in words is "twenty-nine million, five hundred fifty-seven thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 45 656833 1970499 3284165 5911497 9852495 29557485