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201238804 = 2213191491367
BaseRepresentation
bin10111111111010…
…10100100010100
3112000122222202001
423333222210110
5403004120204
631545125044
74662334024
oct1377524424
9460588661
10201238804
11a3659768
1257489784
13328cc120
141ca25a84
1512a014a4
hexbfea914

201238804 has 48 divisors (see below), whose sum is σ = 402192000. Its totient is φ = 87336576.

The previous prime is 201238787. The next prime is 201238837. The reversal of 201238804 is 408832102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146529 + ... + 147895.

It is an arithmetic number, because the mean of its divisors is an integer number (8379000).

Almost surely, 2201238804 is an apocalyptic number.

It is an amenable number.

201238804 is a deficient number, since it is larger than the sum of its proper divisors (200953196).

201238804 is a wasteful number, since it uses less digits than its factorization.

201238804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 201238804 is about 14185.8663464732. The cubic root of 201238804 is about 586.0084915309.

The spelling of 201238804 in words is "two hundred one million, two hundred thirty-eight thousand, eight hundred four".

Divisors: 1 2 4 13 19 26 38 52 76 149 247 298 494 596 988 1367 1937 2734 2831 3874 5468 5662 7748 11324 17771 25973 35542 36803 51946 71084 73606 103892 147212 203683 337649 407366 675298 814732 1350596 2647879 3869977 5295758 7739954 10591516 15479908 50309701 100619402 201238804