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100087412 = 2225021853
BaseRepresentation
bin1011111011100…
…11011001110100
320222022222010012
411331303121310
5201110244122
613533115352
72323505015
oct575633164
9228288105
10100087412
1151551177
1229628b58
1317974529
14d41500c
158bc07e2
hex5f73674

100087412 has 6 divisors (see below), whose sum is σ = 175152978. Its totient is φ = 50043704.

The previous prime is 100087411. The next prime is 100087417. The reversal of 100087412 is 214780001.

It can be written as a sum of positive squares in only one way, i.e., 100080016 + 7396 = 10004^2 + 86^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100087411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12510923 + ... + 12510930.

It is an arithmetic number, because the mean of its divisors is an integer number (29192163).

Almost surely, 2100087412 is an apocalyptic number.

It is an amenable number.

100087412 is a deficient number, since it is larger than the sum of its proper divisors (75065566).

100087412 is a wasteful number, since it uses less digits than its factorization.

100087412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25021857 (or 25021855 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 100087412 is about 10004.3696453100. The cubic root of 100087412 is about 464.2940874951.

The spelling of 100087412 in words is "one hundred million, eighty-seven thousand, four hundred twelve".

Divisors: 1 2 4 25021853 50043706 100087412