Base | Representation |
---|---|
bin | 1110101101010… |
… | …1000010101000 |
3 | 11022002011210201 |
4 | 3223111002220 |
5 | 111243040044 |
6 | 10042121544 |
7 | 1346233204 |
oct | 353250250 |
9 | 138064721 |
10 | 61690024 |
11 | 319056a0 |
12 | 187b02b4 |
13 | ca1c296 |
14 | 829bb04 |
15 | 56387d4 |
hex | 3ad50a8 |
61690024 has 16 divisors (see below), whose sum is σ = 126184320. Its totient is φ = 28040880.
The previous prime is 61690019. The next prime is 61690043. The reversal of 61690024 is 42009616.
It is a super-2 number, since 2×616900242 = 7611318122241152, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 61689974 and 61690001.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350424 + ... + 350599.
It is an arithmetic number, because the mean of its divisors is an integer number (7886520).
Almost surely, 261690024 is an apocalyptic number.
It is an amenable number.
61690024 is an abundant number, since it is smaller than the sum of its proper divisors (64494296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61690024 is a wasteful number, since it uses less digits than its factorization.
61690024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 701040 (or 701036 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 61690024 is about 7854.2997141693. The cubic root of 61690024 is about 395.1284611285.
The spelling of 61690024 in words is "sixty-one million, six hundred ninety thousand, twenty-four".
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