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80495520 = 2535723957
BaseRepresentation
bin1001100110001…
…00001110100000
312121110121002120
410303010032200
5131101324040
611553144240
71665125550
oct463041640
9177417076
1080495520
114148a526
1222b5b080
13138a4ab1
14a995160
1571007d0
hex4cc43a0

80495520 has 96 divisors (see below), whose sum is σ = 289795968. Its totient is φ = 18398208.

The previous prime is 80495509. The next prime is 80495531. The reversal of 80495520 is 2559408.

It is an interprime number because it is at equal distance from previous prime (80495509) and next prime (80495531).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8619 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (3018708).

Almost surely, 280495520 is an apocalyptic number.

80495520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80495520 is an abundant number, since it is smaller than the sum of its proper divisors (209300448).

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

80495520 is a wasteful number, since it uses less digits than its factorization.

80495520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23982 (or 23974 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 80495520 is about 8971.9295583503. The cubic root of 80495520 is about 431.7747453933.

The spelling of 80495520 in words is "eighty million, four hundred ninety-five thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 23957 47914 71871 95828 119785 143742 167699 191656 239570 287484 335398 359355 383312 479140 503097 574968 670796 718710 766624 838495 958280 1006194 1149936 1341592 1437420 1676990 1916560 2012388 2299872 2515485 2683184 2874840 3353980 3833120 4024776 5030970 5366368 5749680 6707960 8049552 10061940 11499360 13415920 16099104 20123880 26831840 40247760 80495520