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101904872 = 2328974397
BaseRepresentation
bin1100001001011…
…11000111101000
321002202022012112
412010233013220
5202041423442
614040101452
72345114516
oct604570750
9232668175
10101904872
1152582703
122a164888
131815c854
14d7694b6
158e2e082
hex612f1e8

101904872 has 16 divisors (see below), whose sum is σ = 191181060. Its totient is φ = 50923264.

The previous prime is 101904871. The next prime is 101904877. The reversal of 101904872 is 278409101.

It can be written as a sum of positive squares in 2 ways, for example, as 96550276 + 5354596 = 9826^2 + 2314^2 .

It is not an unprimeable number, because it can be changed into a prime (101904871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20978 + ... + 25374.

Almost surely, 2101904872 is an apocalyptic number.

It is an amenable number.

101904872 is a deficient number, since it is larger than the sum of its proper divisors (89276188).

101904872 is a wasteful number, since it uses less digits than its factorization.

101904872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300 (or 7296 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 101904872 is about 10094.7943020153. The cubic root of 101904872 is about 467.0875762559.

The spelling of 101904872 in words is "one hundred one million, nine hundred four thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 2897 4397 5794 8794 11588 17588 23176 35176 12738109 25476218 50952436 101904872