Base | Representation |
---|---|
bin | 11111101010101… |
… | …010010010001110 |
3 | 1101000200122221210 |
4 | 133222222102032 |
5 | 2042001330232 |
6 | 124415035250 |
7 | 16110531240 |
oct | 3752522216 |
9 | 1330618853 |
10 | 531276942 |
11 | 25298a259 |
12 | 129b0bb26 |
13 | 860b6371 |
14 | 507b8090 |
15 | 319955cc |
hex | 1faaa48e |
531276942 has 32 divisors (see below), whose sum is σ = 1215965952. Its totient is φ = 151591104.
The previous prime is 531276923. The next prime is 531276943. The reversal of 531276942 is 249672135.
It is a self number, because there is not a number n which added to its sum of digits gives 531276942.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531276943) 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, 25018 + ... + 41090.
It is an arithmetic number, because the mean of its divisors is an integer number (37998936).
Almost surely, 2531276942 is an apocalyptic number.
531276942 is an abundant number, since it is smaller than the sum of its proper divisors (684689010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531276942 is a wasteful number, since it uses less digits than its factorization.
531276942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16872.
The product of its digits is 90720, while the sum is 39.
The square root of 531276942 is about 23049.4455898618. The cubic root of 531276942 is about 809.9166413226.
The spelling of 531276942 in words is "five hundred thirty-one million, two hundred seventy-six thousand, nine hundred forty-two".
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