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80252932 = 2240150033
BaseRepresentation
bin1001100100010…
…01000000000100
312121000021022211
410302021000010
5131021043212
611544033204
71663065364
oct462110004
9177007284
1080252932
1141334241
1222a62804
131381b556
14a9309a4
1570a39a7
hex4c89004

80252932 has 12 divisors (see below), whose sum is σ = 140795676. Its totient is φ = 40025600.

The previous prime is 80252929. The next prime is 80252969. The reversal of 80252932 is 23925208.

It can be written as a sum of positive squares in 2 ways, for example, as 43480836 + 36772096 = 6594^2 + 6064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80252894 and 80252903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23413 + ... + 26620.

It is an arithmetic number, because the mean of its divisors is an integer number (11732973).

Almost surely, 280252932 is an apocalyptic number.

It is an amenable number.

80252932 is a deficient number, since it is larger than the sum of its proper divisors (60542744).

80252932 is a wasteful number, since it uses less digits than its factorization.

80252932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50438 (or 50436 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 80252932 is about 8958.4000803715. The cubic root of 80252932 is about 431.3405648345.

The spelling of 80252932 in words is "eighty million, two hundred fifty-two thousand, nine hundred thirty-two".

Divisors: 1 2 4 401 802 1604 50033 100066 200132 20063233 40126466 80252932