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526938140 = 22526346907
BaseRepresentation
bin11111011010000…
…111000000011100
31100201112020020102
4133122013000130
52034344010030
6124142040232
716025620541
oct3732070034
91321466212
10526938140
11250496473
12128579078
1385227521
144dda8bc8
15313d9c45
hex1f68701c

526938140 has 12 divisors (see below), whose sum is σ = 1106570136. Its totient is φ = 210775248.

The previous prime is 526938131. The next prime is 526938143. The reversal of 526938140 is 41839625.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 526938094 and 526938103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526938143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13173434 + ... + 13173473.

It is an arithmetic number, because the mean of its divisors is an integer number (92214178).

Almost surely, 2526938140 is an apocalyptic number.

It is an amenable number.

526938140 is an abundant number, since it is smaller than the sum of its proper divisors (579631996).

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

526938140 is a wasteful number, since it uses less digits than its factorization.

526938140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26346916 (or 26346914 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 526938140 is about 22955.1331949958. The cubic root of 526938140 is about 807.7058183867.

The spelling of 526938140 in words is "five hundred twenty-six million, nine hundred thirty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 26346907 52693814 105387628 131734535 263469070 526938140