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73869408 = 253428499
BaseRepresentation
bin1000110011100…
…10100001100000
312010222221210000
410121302201200
5122402310113
611155140000
71554610464
oct431624140
9163887700
1073869408
11387741a8
12208a4600
13123c4b12
149b4c4a4
156742373
hex4672860

73869408 has 60 divisors (see below), whose sum is σ = 217255500. Its totient is φ = 24622272.

The previous prime is 73869407. The next prime is 73869421. The reversal of 73869408 is 80496837.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73869407) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11658 + ... + 16841.

It is an arithmetic number, because the mean of its divisors is an integer number (3620925).

Almost surely, 273869408 is an apocalyptic number.

It is an amenable number.

73869408 is an abundant number, since it is smaller than the sum of its proper divisors (143386092).

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

73869408 is a wasteful number, since it uses less digits than its factorization.

73869408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28521 (or 28504 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 73869408 is about 8594.7314094159. The cubic root of 73869408 is about 419.5865318712.

The spelling of 73869408 in words is "seventy-three million, eight hundred sixty-nine thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 28499 56998 85497 113996 170994 227992 256491 341988 455984 512982 683976 769473 911968 1025964 1367952 1538946 2051928 2308419 2735904 3077892 4103856 4616838 6155784 8207712 9233676 12311568 18467352 24623136 36934704 73869408