Base | Representation |
---|---|
bin | 1001011110001011… |
… | …0001100100010100 |
3 | 20120012010010202202 |
4 | 2113202301210110 |
5 | 20201333204130 |
6 | 1100142024032 |
7 | 120001454063 |
oct | 22742614424 |
9 | 6505103682 |
10 | 2542475540 |
11 | 1095185560 |
12 | 5ab578018 |
13 | 3169819c7 |
14 | 1a194a1da |
15 | ed31b145 |
hex | 978b1914 |
2542475540 has 48 divisors (see below), whose sum is σ = 6012486144. Its totient is φ = 894710400.
The previous prime is 2542475513. The next prime is 2542475567. The reversal of 2542475540 is 455742452.
It is an interprime number because it is at equal distance from previous prime (2542475513) and next prime (2542475567).
It is a junction number, because it is equal to n+sod(n) for n = 2542475494 and 2542475503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179579 + ... + 193218.
It is an arithmetic number, because the mean of its divisors is an integer number (125260128).
Almost surely, 22542475540 is an apocalyptic number.
2542475540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2542475540 is an abundant number, since it is smaller than the sum of its proper divisors (3470010604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2542475540 is a wasteful number, since it uses less digits than its factorization.
2542475540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 372848 (or 372846 counting only the distinct ones).
The product of its (nonzero) digits is 224000, while the sum is 38.
The square root of 2542475540 is about 50422.9663942930. The cubic root of 2542475540 is about 1364.8521068641.
The spelling of 2542475540 in words is "two billion, five hundred forty-two million, four hundred seventy-five thousand, five hundred forty".
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