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74371157 = 723714481
BaseRepresentation
bin1000110111011…
…01000001010101
312011221110001022
410123231001111
5123014334112
611214010525
71562100350
oct433550125
9164843038
1074371157
1138a87173
1220aa6a45
131253c303
149c3d297
1567e0d72
hex46ed055

74371157 has 8 divisors (see below), whose sum is σ = 85050432. Its totient is φ = 63705600.

The previous prime is 74371127. The next prime is 74371163. The reversal of 74371157 is 75117347.

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

It is not a de Polignac number, because 74371157 - 210 = 74370133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74371117) 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 7 ways as a sum of consecutive naturals, for example, 14357 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (10631304).

Almost surely, 274371157 is an apocalyptic number.

It is an amenable number.

74371157 is a deficient number, since it is larger than the sum of its proper divisors (10679275).

74371157 is a wasteful number, since it uses less digits than its factorization.

74371157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859.

The product of its digits is 20580, while the sum is 35.

The square root of 74371157 is about 8623.8713464430. The cubic root of 74371157 is about 420.5343859246.

The spelling of 74371157 in words is "seventy-four million, three hundred seventy-one thousand, one hundred fifty-seven".

Divisors: 1 7 2371 4481 16597 31367 10624451 74371157