Base | Representation |
---|---|
bin | 101011101000… |
… | …0100100100100 |
3 | 1121001010210011 |
4 | 1113100210210 |
5 | 21323440104 |
6 | 2134140004 |
7 | 365300140 |
oct | 127204444 |
9 | 47033704 |
10 | 22874404 |
11 | 11a03973 |
12 | 77b1604 |
13 | 497b867 |
14 | 3076220 |
15 | 201c904 |
hex | 15d0924 |
22874404 has 72 divisors (see below), whose sum is σ = 50523648. Its totient is φ = 8864640.
The previous prime is 22874393. The next prime is 22874407. The reversal of 22874404 is 40447822.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22874407) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313312 + ... + 313384.
Almost surely, 222874404 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22874404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25261824).
22874404 is an abundant number, since it is smaller than the sum of its proper divisors (27649244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22874404 is a wasteful number, since it uses less digits than its factorization.
22874404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153 (or 132 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 31.
The square root of 22874404 is about 4782.7193101833. The cubic root of 22874404 is about 283.8681031386.
The spelling of 22874404 in words is "twenty-two million, eight hundred seventy-four thousand, four hundred four".
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