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137705401 = 458330047
BaseRepresentation
bin10000011010100…
…11011110111001
3100121010011022001
420031103132321
5240223033101
621355301001
73261322321
oct1015233671
9317104261
10137705401
1170805119
123a14a761
13226b5ab2
1414408281
15c151901
hex83537b9

137705401 has 4 divisors (see below), whose sum is σ = 137740032. Its totient is φ = 137670772.

The previous prime is 137705387. The next prime is 137705411. The reversal of 137705401 is 104507731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137705401 - 27 = 137705273 is a prime.

It is a super-3 number, since 3×1377054013 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137705401.

It is not an unprimeable number, because it can be changed into a prime (137705411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10441 + ... + 19606.

It is an arithmetic number, because the mean of its divisors is an integer number (34435008).

Almost surely, 2137705401 is an apocalyptic number.

It is an amenable number.

137705401 is a deficient number, since it is larger than the sum of its proper divisors (34631).

137705401 is an equidigital number, since it uses as much as digits as its factorization.

137705401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34630.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 137705401 is about 11734.7944592140. The cubic root of 137705401 is about 516.3969375782.

The spelling of 137705401 in words is "one hundred thirty-seven million, seven hundred five thousand, four hundred one".

Divisors: 1 4583 30047 137705401