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29992028 = 2211261967
BaseRepresentation
bin111001001101…
…0010001011100
32002102202022212
41302122101130
530134221103
62550455552
7512633213
oct162322134
962382285
1029992028
1115a25500
12a0645b8
1362a1481
143daa07a
1529767d8
hex1c9a45c

29992028 has 18 divisors (see below), whose sum is σ = 57692208. Its totient is φ = 13632520.

The previous prime is 29992019. The next prime is 29992037. The reversal of 29992028 is 82029992.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29992019) and next prime (29992037).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30500 + ... + 31467.

Almost surely, 229992028 is an apocalyptic number.

It is an amenable number.

29992028 is a deficient number, since it is larger than the sum of its proper divisors (27700180).

29992028 is a wasteful number, since it uses less digits than its factorization.

29992028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61993 (or 61980 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 29992028 is about 5476.4977859943. The cubic root of 29992028 is about 310.6957249820.

The spelling of 29992028 in words is "twenty-nine million, nine hundred ninety-two thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 121 242 484 61967 123934 247868 681637 1363274 2726548 7498007 14996014 29992028