Base | Representation |
---|---|
bin | 1111101010100… |
… | …10111000101110 |
3 | 100011021101200200 |
4 | 13311102320232 |
5 | 232120132002 |
6 | 21012334330 |
7 | 3153656625 |
oct | 765227056 |
9 | 304241620 |
10 | 131411502 |
11 | 681a6452 |
12 | 380143a6 |
13 | 212c10b1 |
14 | 1364a6bc |
15 | b80bb1c |
hex | 7d52e2e |
131411502 has 12 divisors (see below), whose sum is σ = 284724960. Its totient is φ = 43803828.
The previous prime is 131411491. The next prime is 131411503. The reversal of 131411502 is 205114131.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7300639 = 131411502 / (1 + 3 + 1 + 4 + 1 + 1 + 5 + 0 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131411503) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3650302 + ... + 3650337.
It is an arithmetic number, because the mean of its divisors is an integer number (23727080).
Almost surely, 2131411502 is an apocalyptic number.
131411502 is an abundant number, since it is smaller than the sum of its proper divisors (153313458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131411502 is a wasteful number, since it uses less digits than its factorization.
131411502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7300647 (or 7300644 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 131411502 is about 11463.4855955769. The cubic root of 131411502 is about 508.4065374703.
Adding to 131411502 its reverse (205114131), we get a palindrome (336525633).
The spelling of 131411502 in words is "one hundred thirty-one million, four hundred eleven thousand, five hundred two".
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