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74850313 = 83901811
BaseRepresentation
bin1000111011000…
…10000000001001
312012211210022211
410131202000021
5123130202223
611232145121
71566134326
oct435420011
9165753284
1074850313
113928416a
12210981a1
1312679435
149d25b4d
156887d0d
hex4762009

74850313 has 4 divisors (see below), whose sum is σ = 75752208. Its totient is φ = 73948420.

The previous prime is 74850301. The next prime is 74850319. The reversal of 74850313 is 31305847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31305847 = 179174893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74850313 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74850319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450823 + ... + 450988.

It is an arithmetic number, because the mean of its divisors is an integer number (18938052).

Almost surely, 274850313 is an apocalyptic number.

It is an amenable number.

74850313 is a deficient number, since it is larger than the sum of its proper divisors (901895).

74850313 is an equidigital number, since it uses as much as digits as its factorization.

74850313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901894.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 74850313 is about 8651.6075384867. The cubic root of 74850313 is about 421.4355882281.

The spelling of 74850313 in words is "seventy-four million, eight hundred fifty thousand, three hundred thirteen".

Divisors: 1 83 901811 74850313