Base | Representation |
---|---|
bin | 1000111100001… |
… | …00000111010100 |
3 | 12020002212222202 |
4 | 10132010013110 |
5 | 123144140121 |
6 | 11235144032 |
7 | 1600255562 |
oct | 436040724 |
9 | 166085882 |
10 | 74990036 |
11 | 3936a140 |
12 | 21145018 |
13 | 126c7c04 |
14 | 9d60a32 |
15 | 68b440b |
hex | 47841d4 |
74990036 has 48 divisors (see below), whose sum is σ = 151710720. Its totient is φ = 32076000.
The previous prime is 74990011. The next prime is 74990059. The reversal of 74990036 is 63009947.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226391 + ... + 226721.
It is an arithmetic number, because the mean of its divisors is an integer number (3160640).
Almost surely, 274990036 is an apocalyptic number.
74990036 is a gapful number since it is divisible by the number (76) formed by its first and last digit.
It is an amenable number.
74990036 is an abundant number, since it is smaller than the sum of its proper divisors (76720684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74990036 is a wasteful number, since it uses less digits than its factorization.
74990036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 636 (or 634 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 38.
The square root of 74990036 is about 8659.6787469282. The cubic root of 74990036 is about 421.6976563503.
The spelling of 74990036 in words is "seventy-four million, nine hundred ninety thousand, thirty-six".
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