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74481793 = 476183313
BaseRepresentation
bin1000111000010…
…00000010000001
312012011001210221
410130020002001
5123031404133
611220223041
71563041041
oct434100201
9165131727
1074481793
1139052301
1220b3aa81
131257a789
149c6b721
156813a2d
hex4708081

74481793 has 16 divisors (see below), whose sum is σ = 78494976. Its totient is φ = 70611840.

The previous prime is 74481779. The next prime is 74481821. The reversal of 74481793 is 39718447.

It is a cyclic number.

It is not a de Polignac number, because 74481793 - 25 = 74481761 is a prime.

It is a Duffinian number.

Its product of digits (169344) is a multiple of the sum of its prime divisors (504).

It is not an unprimeable number, because it can be changed into a prime (74481893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237805 + ... + 238117.

It is an arithmetic number, because the mean of its divisors is an integer number (4905936).

Almost surely, 274481793 is an apocalyptic number.

It is an amenable number.

74481793 is a deficient number, since it is larger than the sum of its proper divisors (4013183).

74481793 is a wasteful number, since it uses less digits than its factorization.

74481793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 169344, while the sum is 43.

The square root of 74481793 is about 8630.2834831771. The cubic root of 74481793 is about 420.7428143536.

The spelling of 74481793 in words is "seventy-four million, four hundred eighty-one thousand, seven hundred ninety-three".

Divisors: 1 47 61 83 313 2867 3901 5063 14711 19093 25979 237961 897371 1221013 1584719 74481793