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22745796 = 22317432593
BaseRepresentation
bin101011011000…
…1001011000100
31120210121100220
41112301023010
521310331141
62131304340
7364223163
oct126611304
946717326
1022745796
1111926287
12774b0b0
134935168
1430413da
151ee4766
hex15b12c4

22745796 has 48 divisors (see below), whose sum is σ = 57524544. Its totient is φ = 6967296.

The previous prime is 22745783. The next prime is 22745797. The reversal of 22745796 is 69754722.

It is not an unprimeable number, because it can be changed into a prime (22745797) by changing a digit.

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, 7476 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (1198428).

Almost surely, 222745796 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 22745796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28762272).

22745796 is an abundant number, since it is smaller than the sum of its proper divisors (34778748).

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

22745796 is a wasteful number, since it uses less digits than its factorization.

22745796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2658 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 22745796 is about 4769.2552877782. The cubic root of 22745796 is about 283.3351006426.

The spelling of 22745796 in words is "twenty-two million, seven hundred forty-five thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 17 34 43 51 68 86 102 129 172 204 258 516 731 1462 2193 2593 2924 4386 5186 7779 8772 10372 15558 31116 44081 88162 111499 132243 176324 222998 264486 334497 445996 528972 668994 1337988 1895483 3790966 5686449 7581932 11372898 22745796