Search a number
-
+
397134954 = 233139157337
BaseRepresentation
bin10111101010111…
…100110001101010
31000200021112202000
4113222330301222
51303131304304
6103223551430
712561406566
oct2752746152
91020245660
10397134954
11194199407
12b0bbb576
136437a4c8
143aa5a6a6
1524ce9939
hex17abcc6a

397134954 has 64 divisors (see below), whose sum is σ = 897187200. Its totient is φ = 130201344.

The previous prime is 397134953. The next prime is 397134967. The reversal of 397134954 is 459431793.

It is not an unprimeable number, because it can be changed into a prime (397134953) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1178274 + ... + 1178610.

It is an arithmetic number, because the mean of its divisors is an integer number (14018550).

Almost surely, 2397134954 is an apocalyptic number.

397134954 is an abundant number, since it is smaller than the sum of its proper divisors (500052246).

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

397134954 is a wasteful number, since it uses less digits than its factorization.

397134954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 638 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 397134954 is about 19928.2451309693. The cubic root of 397134954 is about 735.0429296042.

The spelling of 397134954 in words is "three hundred ninety-seven million, one hundred thirty-four thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 139 157 278 314 337 417 471 674 834 942 1011 1251 1413 2022 2502 2826 3033 3753 4239 6066 7506 8478 9099 18198 21823 43646 46843 52909 65469 93686 105818 130938 140529 158727 196407 281058 317454 392814 421587 476181 589221 843174 952362 1178442 1264761 1428543 2529522 2857086 7354351 14708702 22063053 44126106 66189159 132378318 198567477 397134954