Search a number
-
+
45572844 = 223231631013
BaseRepresentation
bin1010110111011…
…0001011101100
310011202100012010
42231312023230
543131312334
64304441220
71062235302
oct255661354
9104670163
1045572844
11237a7609
1213319210
1395982a5
1460a4272
1540030e9
hex2b762ec

45572844 has 48 divisors (see below), whose sum is σ = 111750912. Its totient is φ = 14427072.

The previous prime is 45572843. The next prime is 45572873. The reversal of 45572844 is 44827554.

It is a super-2 number, since 2×455728442 = 4153768220496672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45572843) 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, 44482 + ... + 45494.

It is an arithmetic number, because the mean of its divisors is an integer number (2328144).

Almost surely, 245572844 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 45572844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55875456).

45572844 is an abundant number, since it is smaller than the sum of its proper divisors (66178068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45572844 is a wasteful number, since it uses less digits than its factorization.

45572844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 45572844 is about 6750.7661787385. The cubic root of 45572844 is about 357.1922635801.

The spelling of 45572844 in words is "forty-five million, five hundred seventy-two thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 163 276 326 489 652 978 1013 1956 2026 3039 3749 4052 6078 7498 11247 12156 14996 22494 23299 44988 46598 69897 93196 139794 165119 279588 330238 495357 660476 990714 1981428 3797737 7595474 11393211 15190948 22786422 45572844