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80324975 = 525415939
BaseRepresentation
bin1001100100110…
…10100101101111
312121010221011002
410302122211233
5131030344400
611545350515
71663515413
oct462324557
9177127132
1080324975
1141383385
1222a9843b
1313845293
14a94cd43
1570b9ed5
hex4c9a96f

80324975 has 12 divisors (see below), whose sum is σ = 99803880. Its totient is φ = 64130400.

The previous prime is 80324971. The next prime is 80325013. The reversal of 80324975 is 57942308.

It is not a de Polignac number, because 80324975 - 22 = 80324971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80324971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10556 + ... + 16494.

It is an arithmetic number, because the mean of its divisors is an integer number (8316990).

Almost surely, 280324975 is an apocalyptic number.

80324975 is a deficient number, since it is larger than the sum of its proper divisors (19478905).

80324975 is a wasteful number, since it uses less digits than its factorization.

80324975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490 (or 6485 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 80324975 is about 8962.4201530613. The cubic root of 80324975 is about 431.4695976041.

The spelling of 80324975 in words is "eighty million, three hundred twenty-four thousand, nine hundred seventy-five".

Divisors: 1 5 25 541 2705 5939 13525 29695 148475 3212999 16064995 80324975