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8113980 = 2235719319
BaseRepresentation
bin11110111100111100111100
3120021020021210
4132330330330
54034121410
6445524420
7125652630
oct36747474
916236253
108113980
114642176
122873710
1318b1294
141112dc0
15aa4220
hex7bcf3c

8113980 has 48 divisors (see below), whose sum is σ = 25966080. Its totient is φ = 1854528.

The previous prime is 8113979. The next prime is 8113993. The reversal of 8113980 is 893118.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9240 + ... + 10079.

It is an arithmetic number, because the mean of its divisors is an integer number (540960).

Almost surely, 28113980 is an apocalyptic number.

It is an amenable number.

8113980 is an abundant number, since it is smaller than the sum of its proper divisors (17852100).

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

8113980 is a wasteful number, since it uses less digits than its factorization.

8113980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19338 (or 19336 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 8113980 is about 2848.5048709806. The cubic root of 8113980 is about 200.9453577861.

The spelling of 8113980 in words is "eight million, one hundred thirteen thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 19319 38638 57957 77276 96595 115914 135233 193190 231828 270466 289785 386380 405699 540932 579570 676165 811398 1159140 1352330 1622796 2028495 2704660 4056990 8113980