Search a number
-
+
390594685 = 51319316271
BaseRepresentation
bin10111010010000…
…000000001111101
31000012222021011211
4113102000001331
51244443012220
6102431444421
712452000005
oct2722000175
91005867154
10390594685
11190531628
12aa986711
1362bca620
1439c37005
1524456b5a
hex1748007d

390594685 has 16 divisors (see below), whose sum is σ = 531336960. Its totient is φ = 273257280.

The previous prime is 390594661. The next prime is 390594689. The reversal of 390594685 is 586495093.

It is not a de Polignac number, because 390594685 - 211 = 390592637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390594689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156901 + ... + 159370.

It is an arithmetic number, because the mean of its divisors is an integer number (33208560).

Almost surely, 2390594685 is an apocalyptic number.

It is an amenable number.

390594685 is a deficient number, since it is larger than the sum of its proper divisors (140742275).

390594685 is a wasteful number, since it uses less digits than its factorization.

390594685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316308.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 390594685 is about 19763.4684455943. The cubic root of 390594685 is about 730.9855238565.

The spelling of 390594685 in words is "three hundred ninety million, five hundred ninety-four thousand, six hundred eighty-five".

Divisors: 1 5 13 19 65 95 247 1235 316271 1581355 4111523 6009149 20557615 30045745 78118937 390594685