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492640127 = 71731133543
BaseRepresentation
bin11101010111010…
…001011101111111
31021022222201012122
4131113101131333
52002103441002
6120514553155
715131241410
oct3527213577
91238881178
10492640127
1123309a901
12118b987bb
137b0a9145
14495db807
152d3b26a2
hex1d5d177f

492640127 has 16 divisors (see below), whose sum is σ = 615370752. Its totient is φ = 384600960.

The previous prime is 492640097. The next prime is 492640153. The reversal of 492640127 is 721046294.

It is a cyclic number.

It is not a de Polignac number, because 492640127 - 212 = 492636031 is a prime.

It is a super-2 number, since 2×4926401272 = 485388589461152258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492640157) 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, 63083 + ... + 70460.

It is an arithmetic number, because the mean of its divisors is an integer number (38460672).

Almost surely, 2492640127 is an apocalyptic number.

492640127 is a deficient number, since it is larger than the sum of its proper divisors (122730625).

492640127 is a wasteful number, since it uses less digits than its factorization.

492640127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133598.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 492640127 is about 22195.4978993489. The cubic root of 492640127 is about 789.7869034811.

The spelling of 492640127 in words is "four hundred ninety-two million, six hundred forty thousand, one hundred twenty-seven".

Divisors: 1 7 17 31 119 217 527 3689 133543 934801 2270231 4139833 15891617 28978831 70377161 492640127