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397232672005 = 513172912797607
BaseRepresentation
bin1011100011111001110…
…10011000110100000101
31101222022211100112122101
411301330322120310011
523002013031001010
6502253002432101
740461540000241
oct5617472306405
91358284315571
10397232672005
1114351353a974
1264ba0502631
132b5c7210360
1415324845421
15a4ed9b473a
hex5c7ce98d05

397232672005 has 64 divisors (see below), whose sum is σ = 566719856640. Its totient is φ = 264463847424.

The previous prime is 397232671987. The next prime is 397232672021. The reversal of 397232672005 is 500276232793.

It is a cyclic number.

It is not a de Polignac number, because 397232672005 - 27 = 397232671877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4020912 + ... + 4118518.

It is an arithmetic number, because the mean of its divisors is an integer number (8854997760).

Almost surely, 2397232672005 is an apocalyptic number.

It is an amenable number.

397232672005 is a deficient number, since it is larger than the sum of its proper divisors (169487184635).

397232672005 is a wasteful number, since it uses less digits than its factorization.

397232672005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97798.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 397232672005 in words is "three hundred ninety-seven billion, two hundred thirty-two million, six hundred seventy-two thousand, five".

Divisors: 1 5 13 17 29 65 85 127 145 221 377 493 635 1105 1651 1885 2159 2465 3683 6409 8255 10795 18415 28067 32045 47879 62611 97607 140335 239395 313055 488035 813943 1268891 1659319 2830603 4069715 6344455 8296595 12396089 14153015 21571147 36797839 48120251 61980445 107855735 161149157 183989195 210733513 240601255 359486581 625563263 805745785 1053667565 1797432905 2739535669 3127816315 4673325553 6111271877 13697678345 23366627765 30556359385 79446534401 397232672005