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189037340 = 2259451867
BaseRepresentation
bin10110100010001…
…11101100011100
3111011201002110222
423101013230130
5341343143330
630431420512
74453535162
oct1321075434
9434632428
10189037340
1197785608
1253384738
133021951b
141b16b232
15118e10e5
hexb447b1c

189037340 has 12 divisors (see below), whose sum is σ = 396978456. Its totient is φ = 75614928.

The previous prime is 189037333. The next prime is 189037363. The reversal of 189037340 is 43730981.

189037340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189037340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4725914 + ... + 4725953.

It is an arithmetic number, because the mean of its divisors is an integer number (33081538).

Almost surely, 2189037340 is an apocalyptic number.

189037340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189037340 is an abundant number, since it is smaller than the sum of its proper divisors (207941116).

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

189037340 is a wasteful number, since it uses less digits than its factorization.

189037340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451876 (or 9451874 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 189037340 is about 13749.0850604686. The cubic root of 189037340 is about 573.9171453856.

The spelling of 189037340 in words is "one hundred eighty-nine million, thirty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 9451867 18903734 37807468 47259335 94518670 189037340