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9401028 = 2237138609
BaseRepresentation
bin100011110111…
…001011000100
3122200121210020
4203313023010
54401313103
6533255140
7142623150
oct43671304
918617706
109401028
11534114a
1231944b0
131c42050
14136a060
15c5a753
hex8f72c4

9401028 has 48 divisors (see below), whose sum is σ = 27000960. Its totient is φ = 2479104.

The previous prime is 9401027. The next prime is 9401033. The reversal of 9401028 is 8201049.

9401028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9400989 and 9401007.

It is not an unprimeable number, because it can be changed into a prime (9401023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (562520).

Almost surely, 29401028 is an apocalyptic number.

It is an amenable number.

9401028 is an abundant number, since it is smaller than the sum of its proper divisors (17599932).

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

9401028 is a wasteful number, since it uses less digits than its factorization.

9401028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636 (or 8634 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 9401028 is about 3066.1095870826. The cubic root of 9401028 is about 211.0531225977.

The spelling of 9401028 in words is "nine million, four hundred one thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 8609 17218 25827 34436 51654 60263 103308 111917 120526 180789 223834 241052 335751 361578 447668 671502 723156 783419 1343004 1566838 2350257 3133676 4700514 9401028