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29561113 = 173746997
BaseRepresentation
bin111000011000…
…1000100011001
32001121212020001
41300301010121
530031423423
62533333001
7506160001
oct160610431
961555201
1029561113
111576077a
129a97161
1361802aa
143cd7001
1528ddcad
hex1c31119

29561113 has 8 divisors (see below), whose sum is σ = 32146632. Its totient is φ = 27069696.

The previous prime is 29561111. The next prime is 29561159. The reversal of 29561113 is 31116592.

It can be written as a sum of positive squares in 4 ways, for example, as 13816089 + 15745024 = 3717^2 + 3968^2 .

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 29561113 - 21 = 29561111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29561111) 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, 22870 + ... + 24127.

It is an arithmetic number, because the mean of its divisors is an integer number (4018329).

Almost surely, 229561113 is an apocalyptic number.

It is an amenable number.

29561113 is a deficient number, since it is larger than the sum of its proper divisors (2585519).

29561113 is a wasteful number, since it uses less digits than its factorization.

29561113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47051.

The product of its digits is 1620, while the sum is 28.

The square root of 29561113 is about 5437.0132425809. The cubic root of 29561113 is about 309.2005519666.

The spelling of 29561113 in words is "twenty-nine million, five hundred sixty-one thousand, one hundred thirteen".

Divisors: 1 17 37 629 46997 798949 1738889 29561113