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137467705 = 527493541
BaseRepresentation
bin10000011000110…
…01011100111001
3100120200002020111
420030121130321
5240142431310
621350224321
73256312324
oct1014313471
9316602214
10137467705
1170662581
123a0550a1
132263184b
14143857bb
15c10628a
hex8319739

137467705 has 4 divisors (see below), whose sum is σ = 164961252. Its totient is φ = 109974160.

The previous prime is 137467697. The next prime is 137467723. The reversal of 137467705 is 507764731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29474041 + 107993664 = 5429^2 + 10392^2 .

It is not a de Polignac number, because 137467705 - 23 = 137467697 is a prime.

It is a super-3 number, since 3×1374677053 (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) 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 an unprimeable number.

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, 13746766 + ... + 13746775.

It is an arithmetic number, because the mean of its divisors is an integer number (41240313).

Almost surely, 2137467705 is an apocalyptic number.

It is an amenable number.

137467705 is a deficient number, since it is larger than the sum of its proper divisors (27493547).

137467705 is an equidigital number, since it uses as much as digits as its factorization.

137467705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27493546.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 137467705 is about 11724.6622552635. The cubic root of 137467705 is about 516.0996454898.

The spelling of 137467705 in words is "one hundred thirty-seven million, four hundred sixty-seven thousand, seven hundred five".

Divisors: 1 5 27493541 137467705