Base | Representation |
---|---|
bin | 111110110101100… |
… | …001111011111001 |
3 | 2201110200221000010 |
4 | 332311201323321 |
5 | 4124340020100 |
6 | 252335332133 |
7 | 35060502525 |
oct | 7665417371 |
9 | 2643627003 |
10 | 1054220025 |
11 | 4a1097121 |
12 | 255081049 |
13 | 13a542341 |
14 | a0022d85 |
15 | 62841750 |
hex | 3ed61ef9 |
1054220025 has 24 divisors (see below), whose sum is σ = 1748620224. Its totient is φ = 560430400.
The previous prime is 1054220017. The next prime is 1054220047. The reversal of 1054220025 is 5200224501.
It is a happy number.
It is not a de Polignac number, because 1054220025 - 23 = 1054220017 is a prime.
It is a super-2 number, since 2×10542200252 = 2222759722222001250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1054219983 and 1054220010.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727 + ... + 45923.
It is an arithmetic number, because the mean of its divisors is an integer number (72859176).
Almost surely, 21054220025 is an apocalyptic number.
1054220025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1054220025 is a deficient number, since it is larger than the sum of its proper divisors (694400199).
1054220025 is a wasteful number, since it uses less digits than its factorization.
1054220025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45521 (or 45516 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 1054220025 is about 32468.7545957648. The cubic root of 1054220025 is about 1017.7561931981.
Adding to 1054220025 its reverse (5200224501), we get a palindrome (6254444526).
The spelling of 1054220025 in words is "one billion, fifty-four million, two hundred twenty thousand, twenty-five".
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