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189840202 = 2108787323
BaseRepresentation
bin10110101000010…
…11101101001010
3111020012212210121
423110023231022
5342044341302
630500533454
74463420656
oct1324135512
9436185717
10189840202
1198183832
12536b128a
133043aaa6
141b2d9a66
15119ede37
hexb50bb4a

189840202 has 8 divisors (see below), whose sum is σ = 285025536. Its totient is φ = 94831692.

The previous prime is 189840199. The next prime is 189840251. The reversal of 189840202 is 202048981.

189840202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 41488 + ... + 45835.

It is an arithmetic number, because the mean of its divisors is an integer number (35628192).

Almost surely, 2189840202 is an apocalyptic number.

189840202 is a deficient number, since it is larger than the sum of its proper divisors (95185334).

189840202 is a wasteful number, since it uses less digits than its factorization.

189840202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88412.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 189840202 is about 13778.2510501152. The cubic root of 189840202 is about 574.7284938734.

The spelling of 189840202 in words is "one hundred eighty-nine million, eight hundred forty thousand, two hundred two".

Divisors: 1 2 1087 2174 87323 174646 94920101 189840202