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22073964 = 22311433889
BaseRepresentation
bin101010000110…
…1001001101100
31112112110210020
41110031021230
521122331324
62105042140
7355424403
oct124151154
945473706
1022073964
1111507550
127486350
13475b423
142d0863a
151e10679
hex150d26c

22073964 has 48 divisors (see below), whose sum is σ = 57509760. Its totient is φ = 6531840.

The previous prime is 22073929. The next prime is 22073977. The reversal of 22073964 is 46937022.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 3732 + ... + 7620.

It is an arithmetic number, because the mean of its divisors is an integer number (1198120).

Almost surely, 222073964 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 22073964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28754880).

22073964 is an abundant number, since it is smaller than the sum of its proper divisors (35435796).

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

22073964 is a wasteful number, since it uses less digits than its factorization.

22073964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 22073964 is about 4698.2937328354. The cubic root of 22073964 is about 280.5175970226.

The spelling of 22073964 in words is "twenty-two million, seventy-three thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 66 86 129 132 172 258 473 516 946 1419 1892 2838 3889 5676 7778 11667 15556 23334 42779 46668 85558 128337 167227 171116 256674 334454 501681 513348 668908 1003362 1839497 2006724 3678994 5518491 7357988 11036982 22073964