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907187042 = 22269199909
BaseRepresentation
bin110110000100101…
…001001101100010
32100020000212200002
4312010221031202
53324214441132
6230004100002
731323651116
oct6604511542
92306025602
10907187042
114260a1063
12213994602
13115c41a88
14886ab746
155499b262
hex36129362

907187042 has 8 divisors (see below), whose sum is σ = 1361387100. Its totient is φ = 453391344.

The previous prime is 907187027. The next prime is 907187051. The reversal of 907187042 is 240781709.

It can be written as a sum of positive squares in 2 ways, for example, as 901140361 + 6046681 = 30019^2 + 2459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 907186987 and 907187005.

It is an unprimeable number.

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, 95417 + ... + 104492.

Almost surely, 2907187042 is an apocalyptic number.

907187042 is a deficient number, since it is larger than the sum of its proper divisors (454200058).

907187042 is a wasteful number, since it uses less digits than its factorization.

907187042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202180.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 907187042 is about 30119.5458465097. The cubic root of 907187042 is about 968.0525785080.

The spelling of 907187042 in words is "nine hundred seven million, one hundred eighty-seven thousand, forty-two".

Divisors: 1 2 2269 4538 199909 399818 453593521 907187042