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29811932 = 2213156893
BaseRepresentation
bin111000110111…
…0010011011100
32002002121021122
41301232103130
530112440212
62542550112
7511253153
oct161562334
962077248
1029811932
1115912167
129b98338
13623a4c7
143d6059a
15293d272
hex1c6e4dc

29811932 has 12 divisors (see below), whose sum is σ = 52570056. Its totient is φ = 14791920.

The previous prime is 29811923. The next prime is 29811937. The reversal of 29811932 is 23911892.

It is a junction number, because it is equal to n+sod(n) for n = 29811892 and 29811901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29811937) 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, 27923 + ... + 28970.

It is an arithmetic number, because the mean of its divisors is an integer number (4380838).

Almost surely, 229811932 is an apocalyptic number.

It is an amenable number.

29811932 is a deficient number, since it is larger than the sum of its proper divisors (22758124).

29811932 is a wasteful number, since it uses less digits than its factorization.

29811932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57028 (or 57026 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 29811932 is about 5460.0304028458. The cubic root of 29811932 is about 310.0725879273.

It can be divided in two parts, 2981 and 1932, that added together give a cube (4913 = 173).

The spelling of 29811932 in words is "twenty-nine million, eight hundred eleven thousand, nine hundred thirty-two".

Divisors: 1 2 4 131 262 524 56893 113786 227572 7452983 14905966 29811932