Base | Representation |
---|---|
bin | 100001000001011… |
… | …011000010100001 |
3 | 1102121111011222020 |
4 | 201001123002201 |
5 | 2113312133100 |
6 | 130550332053 |
7 | 16505046435 |
oct | 4101330241 |
9 | 1377434866 |
10 | 554021025 |
11 | 264804218 |
12 | 13565a029 |
13 | 8aa1a7bc |
14 | 538189c5 |
15 | 339895a0 |
hex | 2105b0a1 |
554021025 has 12 divisors (see below), whose sum is σ = 915981552. Its totient is φ = 295477840.
The previous prime is 554021021. The next prime is 554021047. The reversal of 554021025 is 520120455.
It is a happy number.
It is not a de Polignac number, because 554021025 - 22 = 554021021 is a prime.
It is a super-2 number, since 2×5540210252 = 613878592284101250, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 554020986 and 554021004.
It is not an unprimeable number, because it can be changed into a prime (554021021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3693399 + ... + 3693548.
It is an arithmetic number, because the mean of its divisors is an integer number (76331796).
Almost surely, 2554021025 is an apocalyptic number.
It is an amenable number.
554021025 is a deficient number, since it is larger than the sum of its proper divisors (361960527).
554021025 is a wasteful number, since it uses less digits than its factorization.
554021025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7386960 (or 7386955 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 554021025 is about 23537.6512209694. The cubic root of 554021025 is about 821.3130979276.
It can be divided in two parts, 5540 and 21025, that added together give a triangular number (26565 = T230).
The spelling of 554021025 in words is "five hundred fifty-four million, twenty-one thousand, twenty-five".
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