Base | Representation |
---|---|
bin | 1010010000010101… |
… | …1001010111011000 |
3 | 21002212000200201221 |
4 | 2210011121113120 |
5 | 21114214044130 |
6 | 1133055421424 |
7 | 125135035333 |
oct | 24405312730 |
9 | 7085020657 |
10 | 2752878040 |
11 | 1192a23020 |
12 | 649b24874 |
13 | 34b43bb23 |
14 | 1c187961a |
15 | 111a2c87a |
hex | a41595d8 |
2752878040 has 32 divisors (see below), whose sum is σ = 6757065360. Its totient is φ = 1001046400.
The previous prime is 2752878019. The next prime is 2752878043. The reversal of 2752878040 is 408782572.
It is a super-2 number, since 2×27528780402 = 15156675006228483200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2752878043) 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, 3127831 + ... + 3128710.
Almost surely, 22752878040 is an apocalyptic number.
2752878040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2752878040 is an abundant number, since it is smaller than the sum of its proper divisors (4004187320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2752878040 is a wasteful number, since it uses less digits than its factorization.
2752878040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6256563 (or 6256559 counting only the distinct ones).
The product of its (nonzero) digits is 250880, while the sum is 43.
The square root of 2752878040 is about 52467.8762672933. The cubic root of 2752878040 is about 1401.5082453049.
The spelling of 2752878040 in words is "two billion, seven hundred fifty-two million, eight hundred seventy-eight thousand, forty".
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