Search a number
-
+
189303044 = 22750313441
BaseRepresentation
bin10110100100010…
…00100100000100
3111012012120221212
423102020210010
5341430144134
630441230552
74456022630
oct1322104404
9435176855
10189303044
11979471a7
1253492458
13302b0448
141b1d9dc0
1511944bce
hexb488904

189303044 has 24 divisors (see below), whose sum is σ = 379387008. Its totient is φ = 80962560.

The previous prime is 189303043. The next prime is 189303053. The reversal of 189303044 is 440303981.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 189303044.

It is not an unprimeable number, because it can be changed into a prime (189303043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7364 + ... + 20804.

It is an arithmetic number, because the mean of its divisors is an integer number (15807792).

Almost surely, 2189303044 is an apocalyptic number.

189303044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189303044 is an abundant number, since it is smaller than the sum of its proper divisors (190083964).

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

189303044 is a wasteful number, since it uses less digits than its factorization.

189303044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13955 (or 13953 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 189303044 is about 13758.7442740971. The cubic root of 189303044 is about 574.1859118476.

The spelling of 189303044 in words is "one hundred eighty-nine million, three hundred three thousand, forty-four".

Divisors: 1 2 4 7 14 28 503 1006 2012 3521 7042 13441 14084 26882 53764 94087 188174 376348 6760823 13521646 27043292 47325761 94651522 189303044