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80507712 = 2631929761
BaseRepresentation
bin1001100110001…
…11001101000000
312121111012211010
410303013031000
5131102221322
611553320520
71665206235
oct463071500
9177435733
1080507712
11414986aa
1222b66140
13138aa4cc
14a99978c
15710420c
hex4cc7340

80507712 has 112 divisors (see below), whose sum is σ = 232257600. Its totient is φ = 24514560.

The previous prime is 80507701. The next prime is 80507729. The reversal of 80507712 is 21770508.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80507712.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 105412 + ... + 106172.

Almost surely, 280507712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80507712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116128800).

80507712 is an abundant number, since it is smaller than the sum of its proper divisors (151749888).

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

80507712 is a wasteful number, since it uses less digits than its factorization.

80507712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 80507712 is about 8972.6089851280. The cubic root of 80507712 is about 431.7965434261.

The spelling of 80507712 in words is "eighty million, five hundred seven thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 19 24 29 32 38 48 57 58 64 76 87 96 114 116 152 174 192 228 232 304 348 456 464 551 608 696 761 912 928 1102 1216 1392 1522 1653 1824 1856 2204 2283 2784 3044 3306 3648 4408 4566 5568 6088 6612 8816 9132 12176 13224 14459 17632 18264 22069 24352 26448 28918 35264 36528 43377 44138 48704 52896 57836 66207 73056 86754 88276 105792 115672 132414 146112 173508 176552 231344 264828 347016 353104 419311 462688 529656 694032 706208 838622 925376 1059312 1257933 1388064 1412416 1677244 2118624 2515866 2776128 3354488 4237248 5031732 6708976 10063464 13417952 20126928 26835904 40253856 80507712