Search a number
-
+
390842204 = 221795411009
BaseRepresentation
bin10111010010111…
…100011101011100
31000020102211201012
4113102330131130
51300023422304
6102441034352
712454050434
oct2722743534
91006384635
10390842204
11190690595
12aaa859b8
1362c8619c
1439c9d2c4
15244a516e
hex174bc75c

390842204 has 24 divisors (see below), whose sum is σ = 689749200. Its totient is φ = 193777920.

The previous prime is 390842191. The next prime is 390842213. The reversal of 390842204 is 402248093.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386852 + ... + 387860.

It is an arithmetic number, because the mean of its divisors is an integer number (28739550).

Almost surely, 2390842204 is an apocalyptic number.

It is an amenable number.

390842204 is a deficient number, since it is larger than the sum of its proper divisors (298906996).

390842204 is a wasteful number, since it uses less digits than its factorization.

390842204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 390842204 is about 19769.7294872742. The cubic root of 390842204 is about 731.1398992294.

The spelling of 390842204 in words is "three hundred ninety million, eight hundred forty-two thousand, two hundred four".

Divisors: 1 2 4 179 358 541 716 1009 1082 2018 2164 4036 96839 180611 193678 361222 387356 545869 722444 1091738 2183476 97710551 195421102 390842204