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4128102 = 2321120849
BaseRepresentation
bin1111101111110101100110
321202201200200
433233311212
52024044402
6224251330
750042166
oct17576546
97681620
104128102
11236a560
121470b46
13b16c84
147965a6
1556821c
hex3efd66

4128102 has 24 divisors (see below), whose sum is σ = 9757800. Its totient is φ = 1250880.

The previous prime is 4128101. The next prime is 4128107. The reversal of 4128102 is 2018214.

It is a super-2 number, since 2×41281022 = 34082452244808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10227 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (406575).

Almost surely, 24128102 is an apocalyptic number.

4128102 is an abundant number, since it is smaller than the sum of its proper divisors (5629698).

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

4128102 is a wasteful number, since it uses less digits than its factorization.

4128102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20868 (or 20865 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4128102 is about 2031.7731172550. The cubic root of 4128102 is about 160.4169075239.

The spelling of 4128102 in words is "four million, one hundred twenty-eight thousand, one hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 20849 41698 62547 125094 187641 229339 375282 458678 688017 1376034 2064051 4128102