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104451312 = 2437310867
BaseRepresentation
bin1100011100111…
…00110011110000
321021112200021010
412032130303300
5203214420222
614210430520
72405551530
oct616346360
9237480233
10104451312
1153a618a9
122ab92440
1318841914
14dc2d4c0
15928380c
hex639ccf0

104451312 has 40 divisors (see below), whose sum is σ = 308381056. Its totient is φ = 29843136.

The previous prime is 104451311. The next prime is 104451329. The reversal of 104451312 is 213154401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104451311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155098 + ... + 155769.

Almost surely, 2104451312 is an apocalyptic number.

104451312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104451312 is an abundant number, since it is smaller than the sum of its proper divisors (203929744).

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

104451312 is a wasteful number, since it uses less digits than its factorization.

104451312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310885 (or 310879 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 104451312 is about 10220.1424647605. The cubic root of 104451312 is about 470.9462030775.

The spelling of 104451312 in words is "one hundred four million, four hundred fifty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 310867 621734 932601 1243468 1865202 2176069 2486936 3730404 4352138 4973872 6528207 7460808 8704276 13056414 14921616 17408552 26112828 34817104 52225656 104451312