Base | Representation |
---|---|
bin | 1000111011110… |
… | …01111000101110 |
3 | 12020000202112010 |
4 | 10131321320232 |
5 | 123141320032 |
6 | 11234222050 |
7 | 1600022463 |
oct | 435717056 |
9 | 166022463 |
10 | 74948142 |
11 | 39340715 |
12 | 21124926 |
13 | 126b1b19 |
14 | 9d4d66a |
15 | 68a6ccc |
hex | 4779e2e |
74948142 has 16 divisors (see below), whose sum is σ = 154732032. Its totient is φ = 24176760.
The previous prime is 74948129. The next prime is 74948147. The reversal of 74948142 is 24184947.
It is a self number, because there is not a number n which added to its sum of digits gives 74948142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74948147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201288 + ... + 201659.
It is an arithmetic number, because the mean of its divisors is an integer number (9670752).
Almost surely, 274948142 is an apocalyptic number.
74948142 is an abundant number, since it is smaller than the sum of its proper divisors (79783890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74948142 is a wasteful number, since it uses less digits than its factorization.
74948142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402983.
The product of its digits is 64512, while the sum is 39.
The square root of 74948142 is about 8657.2594970926. The cubic root of 74948142 is about 421.6191130599.
The spelling of 74948142 in words is "seventy-four million, nine hundred forty-eight thousand, one hundred forty-two".
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