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104452640 = 2553121059
BaseRepresentation
bin1100011100111…
…01001000100000
321021112202002022
412032131020200
5203214441030
614210441012
72405555435
oct616351040
9237482068
10104452640
1153a628a6
122ab93168
13188423c6
14dc2db8c
159283de5
hex639d220

104452640 has 48 divisors (see below), whose sum is σ = 254741760. Its totient is φ = 40431360.

The previous prime is 104452631. The next prime is 104452657. The reversal of 104452640 is 46254401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5570 + ... + 15489.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2104452640 is an apocalyptic number.

104452640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104452640 is an abundant number, since it is smaller than the sum of its proper divisors (150289120).

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

104452640 is a wasteful number, since it uses less digits than its factorization.

104452640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105 (or 21097 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 104452640 is about 10220.2074342941. The cubic root of 104452640 is about 470.9481989481.

The spelling of 104452640 in words is "one hundred four million, four hundred fifty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 80 124 155 160 248 310 496 620 992 1240 2480 4960 21059 42118 84236 105295 168472 210590 336944 421180 652829 673888 842360 1305658 1684720 2611316 3264145 3369440 5222632 6528290 10445264 13056580 20890528 26113160 52226320 104452640