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188828084 = 2259800119
BaseRepresentation
bin10110100000101…
…00100110110100
3111011022110102202
423100110212310
5341314444314
630423124032
74452004124
oct1320244664
9434273382
10188828084
1197652375
12532a3618
13301751c3
141b114c84
151189e0de
hexb4149b4

188828084 has 12 divisors (see below), whose sum is σ = 336050400. Its totient is φ = 92813688.

The previous prime is 188828063. The next prime is 188828089. The reversal of 188828084 is 480828881.

It is a super-2 number, since 2×1888280842 = 71312090614222112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188828089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399824 + ... + 400295.

It is an arithmetic number, because the mean of its divisors is an integer number (28004200).

Almost surely, 2188828084 is an apocalyptic number.

It is an amenable number.

188828084 is a deficient number, since it is larger than the sum of its proper divisors (147222316).

188828084 is a wasteful number, since it uses less digits than its factorization.

188828084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800182 (or 800180 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 47.

The square root of 188828084 is about 13741.4731379136. The cubic root of 188828084 is about 573.7053002074.

The spelling of 188828084 in words is "one hundred eighty-eight million, eight hundred twenty-eight thousand, eighty-four".

Divisors: 1 2 4 59 118 236 800119 1600238 3200476 47207021 94414042 188828084