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137870474 = 279847891
BaseRepresentation
bin10000011011110…
…11110010001010
3100121102112201212
420031323302022
5240243323344
621403013122
73262610510
oct1015736212
9317375655
10137870474
1170908145
123a20a1a2
1322742c81
141444c4b0
15c18579e
hex837bc8a

137870474 has 8 divisors (see below), whose sum is σ = 236349408. Its totient is φ = 59087340.

The previous prime is 137870429. The next prime is 137870507. The reversal of 137870474 is 474078731.

137870474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4923932 + ... + 4923959.

It is an arithmetic number, because the mean of its divisors is an integer number (29543676).

Almost surely, 2137870474 is an apocalyptic number.

137870474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

137870474 is a deficient number, since it is larger than the sum of its proper divisors (98478934).

137870474 is an equidigital number, since it uses as much as digits as its factorization.

137870474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9847900.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 137870474 is about 11741.8258375774. The cubic root of 137870474 is about 516.6031971057.

The spelling of 137870474 in words is "one hundred thirty-seven million, eight hundred seventy thousand, four hundred seventy-four".

Divisors: 1 2 7 14 9847891 19695782 68935237 137870474