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80663352 = 23371143649
BaseRepresentation
bin1001100111011…
…01001100111000
312121210010022120
410303231030320
5131122211402
612000521240
71666425060
oct463551470
9177703276
1080663352
1141594630
1223020220
13139332c3
14a9da3a0
1571353bc
hex4ced338

80663352 has 64 divisors (see below), whose sum is σ = 251424000. Its totient is φ = 20951040.

The previous prime is 80663339. The next prime is 80663353. The reversal of 80663352 is 25336608.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80663353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19977 + ... + 23672.

It is an arithmetic number, because the mean of its divisors is an integer number (3928500).

Almost surely, 280663352 is an apocalyptic number.

It is an amenable number.

80663352 is an abundant number, since it is smaller than the sum of its proper divisors (170760648).

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

80663352 is a wasteful number, since it uses less digits than its factorization.

80663352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43676 (or 43672 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 80663352 is about 8981.2778600820. The cubic root of 80663352 is about 432.0746184549.

The spelling of 80663352 in words is "eighty million, six hundred sixty-three thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 132 154 168 231 264 308 462 616 924 1848 43649 87298 130947 174596 261894 305543 349192 480139 523788 611086 916629 960278 1047576 1222172 1440417 1833258 1920556 2444344 2880834 3360973 3666516 3841112 5761668 6721946 7333032 10082919 11523336 13443892 20165838 26887784 40331676 80663352