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207084090 = 2356902803
BaseRepresentation
bin11000101011111…
…01101000111010
3112102122221222010
430111331220322
5411003142330
632314310350
75063120463
oct1425755072
9472587863
10207084090
11a6991384
12594283b6
1333b97885
141d707d6a
15132a83b0
hexc57da3a

207084090 has 16 divisors (see below), whose sum is σ = 497001888. Its totient is φ = 55222416.

The previous prime is 207084077. The next prime is 207084103. The reversal of 207084090 is 90480702.

It is an interprime number because it is at equal distance from previous prime (207084077) and next prime (207084103).

It is a super-2 number, since 2×2070840902 = 85767640662256200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6902803 = 207084090 / (2 + 0 + 7 + 0 + 8 + 4 + 0 + 9 + 0).

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, 3451372 + ... + 3451431.

It is an arithmetic number, because the mean of its divisors is an integer number (31062618).

Almost surely, 2207084090 is an apocalyptic number.

207084090 is an abundant number, since it is smaller than the sum of its proper divisors (289917798).

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

207084090 is a wasteful number, since it uses less digits than its factorization.

207084090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902813.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 207084090 is about 14390.4166027256. The cubic root of 207084090 is about 591.6282610351.

The spelling of 207084090 in words is "two hundred seven million, eighty-four thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 6902803 13805606 20708409 34514015 41416818 69028030 103542045 207084090