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80575252 = 22103223877
BaseRepresentation
bin1001100110101…
…11101100010100
312121121122110121
410303113230110
5131111402002
611555001324
71665610162
oct463275424
9177548417
1080575252
114153441a
1222b99244
1313902184
14a9b6232
157119237
hex4cd7b14

80575252 has 24 divisors (see below), whose sum is σ = 143177216. Its totient is φ = 39672288.

The previous prime is 80575247. The next prime is 80575259. The reversal of 80575252 is 25257508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80575259) 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, 91438 + ... + 92314.

Almost surely, 280575252 is an apocalyptic number.

It is an amenable number.

80575252 is a deficient number, since it is larger than the sum of its proper divisors (62601964).

80575252 is a wasteful number, since it uses less digits than its factorization.

80575252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 80575252 is about 8976.3718728671. The cubic root of 80575252 is about 431.9172581016.

The spelling of 80575252 in words is "eighty million, five hundred seventy-five thousand, two hundred fifty-two".

Divisors: 1 2 4 103 206 223 412 446 877 892 1754 3508 22969 45938 90331 91876 180662 195571 361324 391142 782284 20143813 40287626 80575252