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107715980 = 22510949411
BaseRepresentation
bin1100110101110…
…01110110001100
321111200112112202
412122321312030
5210033402410
614404421032
72445366521
oct632716614
9244615482
10107715980
1155891679
12300a7778
1319415888
141043d148
1596caca5
hex66b9d8c

107715980 has 24 divisors (see below), whose sum is σ = 228283440. Its totient is φ = 42690240.

The previous prime is 107715977. The next prime is 107715983. The reversal of 107715980 is 89517701.

107715980 = T215 + T216 + ... + T868.

It is an interprime number because it is at equal distance from previous prime (107715977) and next prime (107715983).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (107715983) 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, 22526 + ... + 26885.

It is an arithmetic number, because the mean of its divisors is an integer number (9511810).

Almost surely, 2107715980 is an apocalyptic number.

107715980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107715980 is an abundant number, since it is smaller than the sum of its proper divisors (120567460).

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

107715980 is a wasteful number, since it uses less digits than its factorization.

107715980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49529 (or 49527 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 107715980 is about 10378.6309309080. The cubic root of 107715980 is about 475.8024920296.

The spelling of 107715980 in words is "one hundred seven million, seven hundred fifteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 49411 98822 197644 247055 494110 988220 5385799 10771598 21543196 26928995 53857990 107715980