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74540486 = 271524933
BaseRepresentation
bin1000111000101…
…10010111000110
312012021001022202
410130112113012
5123040243421
611221354502
71563404126
oct434262706
9165231282
1074540486
1139092409
1220b68a32
131259b3c7
149c84c86
15682610b
hex47165c6

74540486 has 8 divisors (see below), whose sum is σ = 113385744. Its totient is φ = 36745240.

The previous prime is 74540483. The next prime is 74540489. The reversal of 74540486 is 68404547.

It is an interprime number because it is at equal distance from previous prime (74540483) and next prime (74540489).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74540483) by changing a digit.

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, 262325 + ... + 262608.

It is an arithmetic number, because the mean of its divisors is an integer number (14173218).

Almost surely, 274540486 is an apocalyptic number.

74540486 is a deficient number, since it is larger than the sum of its proper divisors (38845258).

74540486 is a wasteful number, since it uses less digits than its factorization.

74540486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525006.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 74540486 is about 8633.6832232831. The cubic root of 74540486 is about 420.8533029855.

The spelling of 74540486 in words is "seventy-four million, five hundred forty thousand, four hundred eighty-six".

Divisors: 1 2 71 142 524933 1049866 37270243 74540486