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75250060 = 22571197269
BaseRepresentation
bin1000111110000…
…11100110001100
312020121002200021
410133003212030
5123231000220
611244511524
71602420634
oct437034614
9166532607
1075250060
1139527536
122124b5a4
1312789382
149dcb6c4
1569164aa
hex47c398c

75250060 has 48 divisors (see below), whose sum is σ = 161663040. Its totient is φ = 29415680.

The previous prime is 75250057. The next prime is 75250067. The reversal of 75250060 is 6005257.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75250067) by changing a digit.

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, 279606 + ... + 279874.

It is an arithmetic number, because the mean of its divisors is an integer number (3367980).

Almost surely, 275250060 is an apocalyptic number.

It is an amenable number.

75250060 is an abundant number, since it is smaller than the sum of its proper divisors (86412980).

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

75250060 is a wasteful number, since it uses less digits than its factorization.

75250060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 75250060 is about 8674.6792447906. The cubic root of 75250060 is about 422.1844988868.

The spelling of 75250060 in words is "seventy-five million, two hundred fifty thousand, sixty".

Divisors: 1 2 4 5 10 20 71 142 197 269 284 355 394 538 710 788 985 1076 1345 1420 1970 2690 3940 5380 13987 19099 27974 38198 52993 55948 69935 76396 95495 105986 139870 190990 211972 264965 279740 381980 529930 1059860 3762503 7525006 15050012 18812515 37625030 75250060