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132926690 = 25131022513
BaseRepresentation
bin1111110110001…
…00110011100010
3100021010101010202
413323010303202
5233012123230
621105025202
73202600241
oct773046342
9307111122
10132926690
1169040876
1238625202
1321701960
1413922958
15ba0aa45
hex7ec4ce2

132926690 has 16 divisors (see below), whose sum is σ = 257673528. Its totient is φ = 49080576.

The previous prime is 132926671. The next prime is 132926693. The reversal of 132926690 is 96629231.

It can be written as a sum of positive squares in 4 ways, for example, as 116661601 + 16265089 = 10801^2 + 4033^2 .

It is a super-2 number, since 2×1329266902 = 35339009828712200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132926693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511127 + ... + 511386.

Almost surely, 2132926690 is an apocalyptic number.

132926690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132926690 is a deficient number, since it is larger than the sum of its proper divisors (124746838).

132926690 is a wasteful number, since it uses less digits than its factorization.

132926690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022533.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 132926690 is about 11529.3837649720. The cubic root of 132926690 is about 510.3530683460.

The spelling of 132926690 in words is "one hundred thirty-two million, nine hundred twenty-six thousand, six hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 1022513 2045026 5112565 10225130 13292669 26585338 66463345 132926690