Base | Representation |
---|---|
bin | 1111101000011… |
… | …00111000000010 |
3 | 100010201211022210 |
4 | 13310030320002 |
5 | 232031442423 |
6 | 21002242550 |
7 | 3151353603 |
oct | 764147002 |
9 | 303654283 |
10 | 131124738 |
11 | 6801aa58 |
12 | 37ab6456 |
13 | 21220704 |
14 | 135b3daa |
15 | b7a1b93 |
hex | 7d0ce02 |
131124738 has 16 divisors (see below), whose sum is σ = 276052320. Its totient is φ = 41407776.
The previous prime is 131124737. The next prime is 131124739. The reversal of 131124738 is 837421131.
It is an interprime number because it is at equal distance from previous prime (131124737) and next prime (131124739).
It is not an unprimeable number, because it can be changed into a prime (131124737) 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, 574995 + ... + 575222.
It is an arithmetic number, because the mean of its divisors is an integer number (17253270).
Almost surely, 2131124738 is an apocalyptic number.
131124738 is an abundant number, since it is smaller than the sum of its proper divisors (144927582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131124738 is a wasteful number, since it uses less digits than its factorization.
131124738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1150241.
The product of its digits is 4032, while the sum is 30.
The square root of 131124738 is about 11450.9710505267. The cubic root of 131124738 is about 508.0364560400.
Adding to 131124738 its reverse (837421131), we get a palindrome (968545869).
The spelling of 131124738 in words is "one hundred thirty-one million, one hundred twenty-four thousand, seven hundred thirty-eight".
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