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104579920 = 24517131587
BaseRepresentation
bin1100011101111…
…00001101010000
321021210012200101
412032330031100
5203233024140
614213302144
72406625504
oct616741520
9237705611
10104579920
115403a495
122b034954
1318888313
14dc64304
1592ab99a
hex63bc350

104579920 has 80 divisors (see below), whose sum is σ = 259858368. Its totient is φ = 39004160.

The previous prime is 104579879. The next prime is 104579929. The reversal of 104579920 is 29975401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 104579920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104579929) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 177867 + ... + 178453.

Almost surely, 2104579920 is an apocalyptic number.

104579920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104579920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129929184).

104579920 is an abundant number, since it is smaller than the sum of its proper divisors (155278448).

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

104579920 is a wasteful number, since it uses less digits than its factorization.

104579920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 104579920 is about 10226.4324180038. The cubic root of 104579920 is about 471.1394114626.

The spelling of 104579920 in words is "one hundred four million, five hundred seventy-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 131 136 170 262 272 340 524 587 655 680 1048 1174 1310 1360 2096 2227 2348 2620 2935 4454 4696 5240 5870 8908 9392 9979 10480 11135 11740 17816 19958 22270 23480 35632 39916 44540 46960 49895 76897 79832 89080 99790 153794 159664 178160 199580 307588 384485 399160 615176 768970 798320 1230352 1307249 1537940 2614498 3075880 5228996 6151760 6536245 10457992 13072490 20915984 26144980 52289960 104579920