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80452652 = 2273779983
BaseRepresentation
bin1001100101110…
…01110000101100
312121101102021212
410302321300230
5131043441102
611552213552
71664556560
oct462716054
9177342255
1080452652
11414602a5
1222b3a2b8
131388b427
14a9836a0
1570e2c52
hex4cb9c2c

80452652 has 48 divisors (see below), whose sum is σ = 167516160. Its totient is φ = 33089472.

The previous prime is 80452637. The next prime is 80452663. The reversal of 80452652 is 25625408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81353 + ... + 82335.

It is an arithmetic number, because the mean of its divisors is an integer number (3489920).

Almost surely, 280452652 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 80452652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83758080).

80452652 is an abundant number, since it is smaller than the sum of its proper divisors (87063508).

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

80452652 is a wasteful number, since it uses less digits than its factorization.

80452652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 80452652 is about 8969.5402334791. The cubic root of 80452652 is about 431.6980843714.

The spelling of 80452652 in words is "eighty million, four hundred fifty-two thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 37 74 79 148 158 259 316 518 553 983 1036 1106 1966 2212 2923 3932 5846 6881 11692 13762 20461 27524 36371 40922 72742 77657 81844 145484 155314 254597 310628 509194 543599 1018388 1087198 2174396 2873309 5746618 11493236 20113163 40226326 80452652