Base | Representation |
---|---|
bin | 1010111000010100… |
… | …0101110001010100 |
3 | 21112112120022210001 |
4 | 2232011011301110 |
5 | 21440131214230 |
6 | 1201445541044 |
7 | 132242302111 |
oct | 25605056124 |
9 | 7475508701 |
10 | 2920569940 |
11 | 1269649472 |
12 | 696114784 |
13 | 3770c36c2 |
14 | 1d9c4b908 |
15 | 1216040ca |
hex | ae145c54 |
2920569940 has 12 divisors (see below), whose sum is σ = 6133196916. Its totient is φ = 1168227968.
The previous prime is 2920569809. The next prime is 2920569943. The reversal of 2920569940 is 499650292.
It can be written as a sum of positive squares in 2 ways, for example, as 614841616 + 2305728324 = 24796^2 + 48018^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2920569943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73014229 + ... + 73014268.
It is an arithmetic number, because the mean of its divisors is an integer number (511099743).
Almost surely, 22920569940 is an apocalyptic number.
2920569940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2920569940 is an abundant number, since it is smaller than the sum of its proper divisors (3212626976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2920569940 is a wasteful number, since it uses less digits than its factorization.
2920569940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146028506 (or 146028504 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 46.
The square root of 2920569940 is about 54042.2976935659. The cubic root of 2920569940 is about 1429.4068872252.
The spelling of 2920569940 in words is "two billion, nine hundred twenty million, five hundred sixty-nine thousand, nine hundred forty".
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