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28941832 = 2322316223
BaseRepresentation
bin110111001100…
…1111000001000
32000110101201201
41232121320020
524402114312
62512153544
7501000343
oct156317010
960411651
1028941832
1115378477
1298388b4
135cc445a
143bb545a
15281a557
hex1b99e08

28941832 has 16 divisors (see below), whose sum is σ = 54512640. Its totient is φ = 14405136.

The previous prime is 28941823. The next prime is 28941833. The reversal of 28941832 is 23814982.

It is a junction number, because it is equal to n+sod(n) for n = 28941791 and 28941800.

It is not an unprimeable number, because it can be changed into a prime (28941833) 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, 6328 + ... + 9895.

It is an arithmetic number, because the mean of its divisors is an integer number (3407040).

Almost surely, 228941832 is an apocalyptic number.

It is an amenable number.

28941832 is a deficient number, since it is larger than the sum of its proper divisors (25570808).

28941832 is a wasteful number, since it uses less digits than its factorization.

28941832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16452 (or 16448 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 28941832 is about 5379.7613329961. The cubic root of 28941832 is about 307.0261306791.

The spelling of 28941832 in words is "twenty-eight million, nine hundred forty-one thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 223 446 892 1784 16223 32446 64892 129784 3617729 7235458 14470916 28941832