Search a number
-
+
45075789 = 32111726783
BaseRepresentation
bin1010101111110…
…0110101001101
310010211002100200
42223330311031
543014411124
64250044113
71055065203
oct253746515
9103732320
1045075789
1123498120
1213119639
139452c85
145db5073
153e55bc9
hex2afcd4d

45075789 has 24 divisors (see below), whose sum is σ = 75209472. Its totient is φ = 25710720.

The previous prime is 45075781. The next prime is 45075827. The reversal of 45075789 is 98757054.

It is not a de Polignac number, because 45075789 - 23 = 45075781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45075781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11709 + ... + 15074.

It is an arithmetic number, because the mean of its divisors is an integer number (3133728).

Almost surely, 245075789 is an apocalyptic number.

It is an amenable number.

45075789 is a deficient number, since it is larger than the sum of its proper divisors (30133683).

45075789 is a wasteful number, since it uses less digits than its factorization.

45075789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26817 (or 26814 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 45075789 is about 6713.8505345293. The cubic root of 45075789 is about 355.8889024413. Note that the first 3 decimals are identical.

It can be divided in two parts, 4507 and 5789, that added together give a triangular number (10296 = T143).

The spelling of 45075789 in words is "forty-five million, seventy-five thousand, seven hundred eighty-nine".

Divisors: 1 3 9 11 17 33 51 99 153 187 561 1683 26783 80349 241047 294613 455311 883839 1365933 2651517 4097799 5008421 15025263 45075789