Base | Representation |
---|---|
bin | 101011101000… |
… | …0101101110101 |
3 | 1121001011121010 |
4 | 1113100231311 |
5 | 21323444442 |
6 | 2134142433 |
7 | 365301645 |
oct | 127205565 |
9 | 47034533 |
10 | 22874997 |
11 | 11a04362 |
12 | 77b1a19 |
13 | 497bc02 |
14 | 3076525 |
15 | 201cb9c |
hex | 15d0b75 |
22874997 has 16 divisors (see below), whose sum is σ = 31711680. Its totient is φ = 14649600.
The previous prime is 22874989. The next prime is 22875001. The reversal of 22874997 is 79947822.
It is not a de Polignac number, because 22874997 - 23 = 22874989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22874977) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20422 + ... + 21512.
It is an arithmetic number, because the mean of its divisors is an integer number (1981980).
Almost surely, 222874997 is an apocalyptic number.
It is an amenable number.
22874997 is a deficient number, since it is larger than the sum of its proper divisors (8836683).
22874997 is a wasteful number, since it uses less digits than its factorization.
22874997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1364.
The product of its digits is 508032, while the sum is 48.
The square root of 22874997 is about 4782.7813038022. The cubic root of 22874997 is about 283.8705561326.
It can be divided in two parts, 22874 and 997, that added together give a triangular number (23871 = T218).
The spelling of 22874997 in words is "twenty-two million, eight hundred seventy-four thousand, nine hundred ninety-seven".
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