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207106530 = 23523832897
BaseRepresentation
bin11000101100000…
…11000111100010
3112102201002202020
430112003013202
5411004402110
632315002310
75063243061
oct1426030742
9472632666
10207106530
11a69a7224
1259439396
1333ba4b57
141d7121d8
15132aed70
hexc5831e2

207106530 has 32 divisors (see below), whose sum is σ = 497435904. Its totient is φ = 55186176.

The previous prime is 207106507. The next prime is 207106531. The reversal of 207106530 is 35601702.

It is a super-2 number, since 2×2071065302 = 85786229537281800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 207106530.

It is not an unprimeable number, because it can be changed into a prime (207106531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70042 + ... + 72938.

It is an arithmetic number, because the mean of its divisors is an integer number (15544872).

Almost surely, 2207106530 is an apocalyptic number.

207106530 is an abundant number, since it is smaller than the sum of its proper divisors (290329374).

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

207106530 is a wasteful number, since it uses less digits than its factorization.

207106530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 207106530 is about 14391.1962671628. The cubic root of 207106530 is about 591.6496302265.

The spelling of 207106530 in words is "two hundred seven million, one hundred six thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2383 2897 4766 5794 7149 8691 11915 14298 14485 17382 23830 28970 35745 43455 71490 86910 6903551 13807102 20710653 34517755 41421306 69035510 103553265 207106530