Search a number
-
+
390052674 = 232112836961
BaseRepresentation
bin10111001111111…
…011101101000010
31000011221201200100
4113033323231002
51244323141144
6102412103230
712444251544
oct2717735502
91004851610
10390052674
111901a1390
12aa764b16
1362a6a9cb
1439b35694
152439b269
hex173fbb42

390052674 has 48 divisors (see below), whose sum is σ = 925333344. Its totient is φ = 117763200.

The previous prime is 390052673. The next prime is 390052679. The reversal of 390052674 is 476250093.

390052674 is a `hidden beast` number, since 390 + 0 + 5 + 267 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (390052673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52554 + ... + 59514.

It is an arithmetic number, because the mean of its divisors is an integer number (19277778).

Almost surely, 2390052674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390052674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462666672).

390052674 is an abundant number, since it is smaller than the sum of its proper divisors (535280670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390052674 is a wasteful number, since it uses less digits than its factorization.

390052674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263 (or 7260 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 390052674 is about 19749.7512389397. The cubic root of 390052674 is about 730.6472485586.

The spelling of 390052674 in words is "three hundred ninety million, fifty-two thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 283 566 849 1698 2547 3113 5094 6226 6961 9339 13922 18678 20883 28017 41766 56034 62649 76571 125298 153142 229713 459426 689139 1378278 1969963 3939926 5909889 11819778 17729667 21669593 35459334 43339186 65008779 130017558 195026337 390052674