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197364804 = 2237131491213
BaseRepresentation
bin10111100001110…
…00110001000100
3111202101011121120
423300320301010
5401011133204
631330113540
74614400410
oct1360706104
9452334546
10197364804
11a145310a
125611b8b0
1331b73a10
141c2d7d40
15124d86d9
hexbc38c44

197364804 has 96 divisors (see below), whose sum is σ = 571065600. Its totient is φ = 51660288.

The previous prime is 197364793. The next prime is 197364809. The reversal of 197364804 is 408463791.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (197364809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162102 + ... + 163314.

It is an arithmetic number, because the mean of its divisors is an integer number (5948600).

Almost surely, 2197364804 is an apocalyptic number.

197364804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197364804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285532800).

197364804 is an abundant number, since it is smaller than the sum of its proper divisors (373700796).

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

197364804 is a wasteful number, since it uses less digits than its factorization.

197364804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 197364804 is about 14048.6584412890. The cubic root of 197364804 is about 582.2237304238.

The spelling of 197364804 in words is "one hundred ninety-seven million, three hundred sixty-four thousand, eight hundred four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 149 156 182 273 298 364 447 546 596 894 1043 1092 1213 1788 1937 2086 2426 3129 3639 3874 4172 4852 5811 6258 7278 7748 8491 11622 12516 13559 14556 15769 16982 23244 25473 27118 31538 33964 40677 47307 50946 54236 63076 81354 94614 101892 110383 162708 180737 189228 220766 331149 361474 441532 542211 662298 722948 1084422 1265159 1324596 2168844 2349581 2530318 3795477 4699162 5060636 7048743 7590954 9398324 14097486 15181908 16447067 28194972 32894134 49341201 65788268 98682402 197364804