Base | Representation |
---|---|
bin | 1111100101100… |
… | …00111110110100 |
3 | 100010000201000010 |
4 | 13302300332310 |
5 | 231432421330 |
6 | 20550220220 |
7 | 3145225332 |
oct | 762607664 |
9 | 303021003 |
10 | 130748340 |
11 | 67893188 |
12 | 37954670 |
13 | 2111b2a8 |
14 | 13516b52 |
15 | b72a3b0 |
hex | 7cb0fb4 |
130748340 has 24 divisors (see below), whose sum is σ = 366095520. Its totient is φ = 34866208.
The previous prime is 130748287. The next prime is 130748347. The reversal of 130748340 is 43847031.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 130748298 and 130748307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130748347) 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, 1089510 + ... + 1089629.
It is an arithmetic number, because the mean of its divisors is an integer number (15253980).
Almost surely, 2130748340 is an apocalyptic number.
130748340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130748340 is an abundant number, since it is smaller than the sum of its proper divisors (235347180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130748340 is a wasteful number, since it uses less digits than its factorization.
130748340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2179151 (or 2179149 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 130748340 is about 11434.5240390670. The cubic root of 130748340 is about 507.5498782138.
The spelling of 130748340 in words is "one hundred thirty million, seven hundred forty-eight thousand, three hundred forty".
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