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75242734 = 272767783
BaseRepresentation
bin1000111110000…
…01110011101110
312020120201121221
410133001303232
5123230231414
611244413554
71602360400
oct437016356
9166521557
1075242734
1139521a86
12212472ba
1312785c38
149dc8b70
156914224
hex47c1cee

75242734 has 12 divisors (see below), whose sum is σ = 131291064. Its totient is φ = 32246844.

The previous prime is 75242701. The next prime is 75242753. The reversal of 75242734 is 43724257.

It is a super-2 number, since 2×752427342 = 11322938039589512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75242734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383794 + ... + 383989.

It is an arithmetic number, because the mean of its divisors is an integer number (10940922).

Almost surely, 275242734 is an apocalyptic number.

75242734 is a deficient number, since it is larger than the sum of its proper divisors (56048330).

75242734 is a wasteful number, since it uses less digits than its factorization.

75242734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767799 (or 767792 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 75242734 is about 8674.2569710610. The cubic root of 75242734 is about 422.1707977947.

The spelling of 75242734 in words is "seventy-five million, two hundred forty-two thousand, seven hundred thirty-four".

Divisors: 1 2 7 14 49 98 767783 1535566 5374481 10748962 37621367 75242734