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22743045 = 3351312959
BaseRepresentation
bin101011011000…
…0100000000101
31120210110121000
41112300200011
521310234140
62131243513
7364212153
oct126604005
946713530
1022743045
1111924206
127749599
134933b30
1430403d3
151ee3a30
hex15b0805

22743045 has 32 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 11195712.

The previous prime is 22743043. The next prime is 22743053. The reversal of 22743045 is 54034722.

22743045 is a `hidden beast` number, since 227 + 430 + 4 + 5 = 666.

It is not a de Polignac number, because 22743045 - 21 = 22743043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22743043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4725 + ... + 8234.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 222743045 is an apocalyptic number.

It is an amenable number.

22743045 is a deficient number, since it is larger than the sum of its proper divisors (20802555).

22743045 is a wasteful number, since it uses less digits than its factorization.

22743045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12986 (or 12980 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 22743045 is about 4768.9668692496. The cubic root of 22743045 is about 283.3236774872.

Adding to 22743045 its reverse (54034722), we get a palindrome (76777767).

It can be divided in two parts, 227430 and 45, that added together give a triangular number (227475 = T674).

The spelling of 22743045 in words is "twenty-two million, seven hundred forty-three thousand, forty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 117 135 195 351 585 1755 12959 38877 64795 116631 168467 194385 349893 505401 583155 842335 1516203 1749465 2527005 4548609 7581015 22743045