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207052047 = 32113203591
BaseRepresentation
bin11000101011101…
…01110100001111
3112102121100000100
430111311310033
5411001131142
632313502143
75062625166
oct1425656417
9472540010
10207052047
11a696a2a4
1259411953
1333b86107
141d6da3dd
151329db4c
hexc575d0f

207052047 has 12 divisors (see below), whose sum is σ = 301723344. Its totient is φ = 136812480.

The previous prime is 207052031. The next prime is 207052051. The reversal of 207052047 is 740250702.

It is not a de Polignac number, because 207052047 - 24 = 207052031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 207052047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207052067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100779 + ... + 102812.

It is an arithmetic number, because the mean of its divisors is an integer number (25143612).

Almost surely, 2207052047 is an apocalyptic number.

207052047 is a deficient number, since it is larger than the sum of its proper divisors (94671297).

207052047 is a wasteful number, since it uses less digits than its factorization.

207052047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203710 (or 203707 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 207052047 is about 14389.3032145410. The cubic root of 207052047 is about 591.5977444106.

The spelling of 207052047 in words is "two hundred seven million, fifty-two thousand, forty-seven".

Divisors: 1 3 9 113 339 1017 203591 610773 1832319 23005783 69017349 207052047