Base | Representation |
---|---|
bin | 1100010000001… |
… | …11010101011100 |
3 | 21011102022001021 |
4 | 12020013111130 |
5 | 202303243432 |
6 | 14111053524 |
7 | 2355463510 |
oct | 610072534 |
9 | 234368037 |
10 | 102790492 |
11 | 53028022 |
12 | 2a5112a4 |
13 | 183ac99c |
14 | d91a140 |
15 | 9056697 |
hex | 620755c |
102790492 has 12 divisors (see below), whose sum is σ = 205581040. Its totient is φ = 44053056.
The previous prime is 102790489. The next prime is 102790559. The reversal of 102790492 is 294097201.
It is a happy number.
102790492 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835517 + ... + 1835572.
Almost surely, 2102790492 is an apocalyptic number.
It is an amenable number.
102790492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102790492 is a wasteful number, since it uses less digits than its factorization.
102790492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3671100 (or 3671098 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 102790492 is about 10138.5645926827. The cubic root of 102790492 is about 468.4367741636.
It can be divided in two parts, 1027 and 90492, that added together give a palindrome (91519).
The spelling of 102790492 in words is "one hundred two million, seven hundred ninety thousand, four hundred ninety-two".
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