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390161474 = 2316292927
BaseRepresentation
bin10111010000010…
…110010001000010
31000012011020220222
4113100112101002
51244340131344
6102414303042
712445214003
oct2720262102
91005136828
10390161474
111902660aa
12aa7b7a82
1362aa83a1
1439b631aa
15243bd5ee
hex17416442

390161474 has 8 divisors (see below), whose sum is σ = 604121088. Its totient is φ = 188787780.

The previous prime is 390161459. The next prime is 390161479. The reversal of 390161474 is 474161093.

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

It is not an unprimeable number, because it can be changed into a prime (390161479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3146402 + ... + 3146525.

It is an arithmetic number, because the mean of its divisors is an integer number (75515136).

Almost surely, 2390161474 is an apocalyptic number.

390161474 is a deficient number, since it is larger than the sum of its proper divisors (213959614).

390161474 is a wasteful number, since it uses less digits than its factorization.

390161474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292960.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 390161474 is about 19752.5055119597. The cubic root of 390161474 is about 730.7151770170.

The spelling of 390161474 in words is "three hundred ninety million, one hundred sixty-one thousand, four hundred seventy-four".

Divisors: 1 2 31 62 6292927 12585854 195080737 390161474