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104280560 = 2451303507
BaseRepresentation
bin1100011011100…
…11000111110000
321021020000000222
412031303013300
5203143434220
614203032212
72404240646
oct615630760
9237200028
10104280560
115395558a
122ab0b668
13187b1c97
14dbc7196
15924ce25
hex63731f0

104280560 has 20 divisors (see below), whose sum is σ = 242452488. Its totient is φ = 41712192.

The previous prime is 104280503. The next prime is 104280563. The reversal of 104280560 is 65082401.

104280560 = T6456 + T6457 + ... + T6460.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104280563) 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, 651674 + ... + 651833.

Almost surely, 2104280560 is an apocalyptic number.

104280560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104280560 is an abundant number, since it is smaller than the sum of its proper divisors (138171928).

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

104280560 is a wasteful number, since it uses less digits than its factorization.

104280560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303520 (or 1303514 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 104280560 is about 10211.7853483120. The cubic root of 104280560 is about 470.6894363477.

The spelling of 104280560 in words is "one hundred four million, two hundred eighty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1303507 2607014 5214028 6517535 10428056 13035070 20856112 26070140 52140280 104280560