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104045680 = 2451300571
BaseRepresentation
bin1100011001110…
…01110001110000
321020210001211201
412030321301300
5203113430210
614154020544
72402242114
oct614716160
9236701751
10104045680
1153805072
122aa17754
131872c0bb
14db65744
15920353a
hex6339c70

104045680 has 20 divisors (see below), whose sum is σ = 241906392. Its totient is φ = 41618240.

The previous prime is 104045663. The next prime is 104045699. The reversal of 104045680 is 86540401.

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 650206 + ... + 650365.

Almost surely, 2104045680 is an apocalyptic number.

104045680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104045680 is an abundant number, since it is smaller than the sum of its proper divisors (137860712).

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

104045680 is a wasteful number, since it uses less digits than its factorization.

104045680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300584 (or 1300578 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 104045680 is about 10200.2784275725. The cubic root of 104045680 is about 470.3357793689.

The spelling of 104045680 in words is "one hundred four million, forty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1300571 2601142 5202284 6502855 10404568 13005710 20809136 26011420 52022840 104045680