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107000087 = 234145707
BaseRepresentation
bin1100110000010…
…11000100010111
321110100011112012
412120023010113
5204343000322
614341214435
72436325415
oct630130427
9243304465
10107000087
1155442827
122ba0141b
1319224a7c
14102d42b5
1595d8ae2
hex660b117

107000087 has 4 divisors (see below), whose sum is σ = 107048136. Its totient is φ = 106952040.

The previous prime is 107000027. The next prime is 107000123. The reversal of 107000087 is 780000701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780000701 = 1051742151.

It is a cyclic number.

It is not a de Polignac number, because 107000087 - 28 = 106999831 is a prime.

It is a super-2 number, since 2×1070000872 = 22898037236015138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107000017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20513 + ... + 25194.

It is an arithmetic number, because the mean of its divisors is an integer number (26762034).

Almost surely, 2107000087 is an apocalyptic number.

107000087 is a deficient number, since it is larger than the sum of its proper divisors (48049).

107000087 is an equidigital number, since it uses as much as digits as its factorization.

107000087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48048.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 107000087 is about 10344.0846380915. The cubic root of 107000087 is about 474.7460685218.

Adding to 107000087 its reverse (780000701), we get a palindrome (887000788).

The spelling of 107000087 in words is "one hundred seven million, eighty-seven", and thus it is an aban number.

Divisors: 1 2341 45707 107000087