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74742310 = 2521413491
BaseRepresentation
bin1000111010001…
…11101000100110
312012122022011201
410131013220212
5123113223220
611225553114
71565204416
oct435075046
9165568151
1074742310
1139210005
122104579a
131263c226
149cd8646
156865d0a
hex4747a26

74742310 has 16 divisors (see below), whose sum is σ = 134637552. Its totient is φ = 29874400.

The previous prime is 74742301. The next prime is 74742329. The reversal of 74742310 is 1324747.

It is a super-2 number, since 2×747423102 = 11172825808272200, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 19665 + ... + 23155.

It is an arithmetic number, because the mean of its divisors is an integer number (8414847).

Almost surely, 274742310 is an apocalyptic number.

74742310 is a deficient number, since it is larger than the sum of its proper divisors (59895242).

74742310 is a wasteful number, since it uses less digits than its factorization.

74742310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5639.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 74742310 is about 8645.3634972741. The cubic root of 74742310 is about 421.2327914028.

The spelling of 74742310 in words is "seventy-four million, seven hundred forty-two thousand, three hundred ten".

Divisors: 1 2 5 10 2141 3491 4282 6982 10705 17455 21410 34910 7474231 14948462 37371155 74742310