Search a number
-
+
136426830 = 2354547561
BaseRepresentation
bin10000010000110…
…11010101001110
3100111201012102120
420020123111032
5234411124310
621312033410
73244415601
oct1010332516
9314635376
10136426830
1170011551
1239832866
1322358b47
1414194338
15be9cb70
hex821b54e

136426830 has 16 divisors (see below), whose sum is σ = 327424464. Its totient is φ = 36380480.

The previous prime is 136426813. The next prime is 136426837. The reversal of 136426830 is 38624631.

It is a super-2 number, since 2×1364268302 = 37224559887697800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136426791 and 136426800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136426837) 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, 2273751 + ... + 2273810.

It is an arithmetic number, because the mean of its divisors is an integer number (20464029).

Almost surely, 2136426830 is an apocalyptic number.

136426830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136426830 is an abundant number, since it is smaller than the sum of its proper divisors (190997634).

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

136426830 is a wasteful number, since it uses less digits than its factorization.

136426830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547571.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 136426830 is about 11680.1896388715. The cubic root of 136426830 is about 514.7937465469.

The spelling of 136426830 in words is "one hundred thirty-six million, four hundred twenty-six thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4547561 9095122 13642683 22737805 27285366 45475610 68213415 136426830