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201368536 = 23171977929
BaseRepresentation
bin11000000000010…
…10001111011000
3112000220120200221
430000022033120
5403022243121
631552005424
74663414165
oct1400121730
9460816627
10201368536
11a3738186
1257530874
13329461a5
141ca5b06c
1512a29b41
hexc00a3d8

201368536 has 32 divisors (see below), whose sum is σ = 420822000. Its totient is φ = 89773056.

The previous prime is 201368521. The next prime is 201368569. The reversal of 201368536 is 635863102.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36381 + ... + 41548.

Almost surely, 2201368536 is an apocalyptic number.

It is an amenable number.

201368536 is an abundant number, since it is smaller than the sum of its proper divisors (219453464).

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

201368536 is a wasteful number, since it uses less digits than its factorization.

201368536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77971 (or 77967 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 201368536 is about 14190.4381891469. The cubic root of 201368536 is about 586.1343912435.

The spelling of 201368536 in words is "two hundred one million, three hundred sixty-eight thousand, five hundred thirty-six".

Divisors: 1 2 4 8 17 19 34 38 68 76 136 152 323 646 1292 2584 77929 155858 311716 623432 1324793 1480651 2649586 2961302 5299172 5922604 10598344 11845208 25171067 50342134 100684268 201368536