Search a number
-
+
107186980 = 22519282071
BaseRepresentation
bin1100110001110…
…00101100100100
321110200122220011
412120320230210
5204414440410
614345220004
72441034325
oct630705444
9243618804
10107186980
115556018a
122ba91604
131928bb64
141034244c
15962418a
hex6638b24

107186980 has 24 divisors (see below), whose sum is σ = 236940480. Its totient is φ = 40618080.

The previous prime is 107186977. The next prime is 107186983. The reversal of 107186980 is 89681701.

It is an interprime number because it is at equal distance from previous prime (107186977) and next prime (107186983).

It is a super-2 number, since 2×1071869802 = 22978097363040800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107186983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140656 + ... + 141415.

It is an arithmetic number, because the mean of its divisors is an integer number (9872520).

Almost surely, 2107186980 is an apocalyptic number.

107186980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107186980 is an abundant number, since it is smaller than the sum of its proper divisors (129753500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

107186980 is a wasteful number, since it uses less digits than its factorization.

107186980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282099 (or 282097 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 107186980 is about 10353.1145072389. The cubic root of 107186980 is about 475.0223147411.

The spelling of 107186980 in words is "one hundred seven million, one hundred eighty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 282071 564142 1128284 1410355 2820710 5359349 5641420 10718698 21437396 26796745 53593490 107186980