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23021044 = 225755261
BaseRepresentation
bin101011111010…
…0010111110100
31121022120221021
41113310113310
521343133134
62141230524
7366450514
oct127642764
947276837
1023021044
1111aa4062
127862444
134a00527
1430b3844
15204b0b4
hex15f45f4

23021044 has 6 divisors (see below), whose sum is σ = 40286834. Its totient is φ = 11510520.

The previous prime is 23021029. The next prime is 23021057. The reversal of 23021044 is 44012032.

It can be written as a sum of positive squares in only one way, i.e., 22924944 + 96100 = 4788^2 + 310^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2877627 + ... + 2877634.

Almost surely, 223021044 is an apocalyptic number.

It is an amenable number.

23021044 is a deficient number, since it is larger than the sum of its proper divisors (17265790).

23021044 is a wasteful number, since it uses less digits than its factorization.

23021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755265 (or 5755263 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23021044 is about 4798.0250103558. The cubic root of 23021044 is about 284.4734053674.

Adding to 23021044 its reverse (44012032), we get a palindrome (67033076).

The spelling of 23021044 in words is "twenty-three million, twenty-one thousand, forty-four".

Divisors: 1 2 4 5755261 11510522 23021044