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390177085 = 5225134667
BaseRepresentation
bin10111010000011…
…010000100111101
31000012012001100011
4113100122010331
51244341131320
6102414503221
712445310344
oct2720320475
91005161304
10390177085
11190276901
12aa804b11
1362ab251c
1439b68b5b
15243c305a
hex1741a13d

390177085 has 8 divisors (see below), whose sum is σ = 468434016. Its totient is φ = 311994000.

The previous prime is 390177077. The next prime is 390177097. The reversal of 390177085 is 580771093.

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

It is not a de Polignac number, because 390177085 - 23 = 390177077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6079 + ... + 28588.

It is an arithmetic number, because the mean of its divisors is an integer number (58554252).

Almost surely, 2390177085 is an apocalyptic number.

It is an amenable number.

390177085 is a deficient number, since it is larger than the sum of its proper divisors (78256931).

390177085 is a wasteful number, since it uses less digits than its factorization.

390177085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36923.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 390177085 is about 19752.9006730657. The cubic root of 390177085 is about 730.7249225909.

The spelling of 390177085 in words is "three hundred ninety million, one hundred seventy-seven thousand, eighty-five".

Divisors: 1 5 2251 11255 34667 173335 78035417 390177085