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48697129 = 13171791231
BaseRepresentation
bin1011100111000…
…0111100101001
310101122001220101
42321300330221
544431302004
64455425401
71130630065
oct271607451
9111561811
1048697129
1125540968
1214385261
13a120390
146678aa5
15441dba4
hex2e70f29

48697129 has 16 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 42036480.

The previous prime is 48697127. The next prime is 48697139. The reversal of 48697129 is 92179684.

It is a cyclic number.

It is not a de Polignac number, because 48697129 - 21 = 48697127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48697127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38944 + ... + 40174.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 248697129 is an apocalyptic number.

It is an amenable number.

48697129 is a deficient number, since it is larger than the sum of its proper divisors (7186391).

48697129 is a wasteful number, since it uses less digits than its factorization.

48697129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its digits is 217728, while the sum is 46.

The square root of 48697129 is about 6978.3328238197. The cubic root of 48697129 is about 365.1750683282.

The spelling of 48697129 in words is "forty-eight million, six hundred ninety-seven thousand, one hundred twenty-nine".

Divisors: 1 13 17 179 221 1231 2327 3043 16003 20927 39559 220349 272051 2864537 3745933 48697129