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75242946 = 2312540491
BaseRepresentation
bin1000111110000…
…01110111000010
312020120201220210
410133001313002
5123230233241
611244414550
71602361122
oct437016702
9166521823
1075242946
1139522159
1221247456
131278606c
149dc8c82
156914316
hex47c1dc2

75242946 has 8 divisors (see below), whose sum is σ = 150485904. Its totient is φ = 25080980.

The previous prime is 75242939. The next prime is 75242953. The reversal of 75242946 is 64924257.

It is an interprime number because it is at equal distance from previous prime (75242939) and next prime (75242953).

It is a sphenic number, since it is the product of 3 distinct primes.

75242946 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 6270240 + ... + 6270251.

It is an arithmetic number, because the mean of its divisors is an integer number (18810738).

Almost surely, 275242946 is an apocalyptic number.

75242946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75242946 is a wasteful number, since it uses less digits than its factorization.

75242946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12540496.

The product of its digits is 120960, while the sum is 39.

The square root of 75242946 is about 8674.2691911192. The cubic root of 75242946 is about 422.1711942898.

The spelling of 75242946 in words is "seventy-five million, two hundred forty-two thousand, nine hundred forty-six".

Divisors: 1 2 3 6 12540491 25080982 37621473 75242946