Search a number
-
+
4552989 = 371911411
BaseRepresentation
bin10001010111100100011101
322120022112020
4101113210131
52131143424
6241330353
753462010
oct21274435
98508466
104552989
11262a801
1216369b9
13c3549c
14867377
155ee079
hex45791d

4552989 has 16 divisors (see below), whose sum is σ = 7303680. Its totient is φ = 2464560.

The previous prime is 4552967. The next prime is 4552997. The reversal of 4552989 is 9892554.

It is not a de Polignac number, because 4552989 - 27 = 4552861 is a prime.

4552989 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4552989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4552949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5307 + ... + 6104.

It is an arithmetic number, because the mean of its divisors is an integer number (456480).

Almost surely, 24552989 is an apocalyptic number.

It is an amenable number.

4552989 is a deficient number, since it is larger than the sum of its proper divisors (2750691).

4552989 is a wasteful number, since it uses less digits than its factorization.

4552989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440.

The product of its digits is 129600, while the sum is 42.

The square root of 4552989 is about 2133.7734181492. The cubic root of 4552989 is about 165.7418569648.

The spelling of 4552989 in words is "four million, five hundred fifty-two thousand, nine hundred eighty-nine".

Divisors: 1 3 7 19 21 57 133 399 11411 34233 79877 216809 239631 650427 1517663 4552989