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28946230 = 2514919427
BaseRepresentation
bin110111001101…
…0111100110110
32000110121202121
41232122330312
524402234410
62512230154
7501016225
oct156327466
960417677
1028946230
1115380805
12983b35a
135cc6461
143bb6cbc
15281b9da
hex1b9af36

28946230 has 16 divisors (see below), whose sum is σ = 52455600. Its totient is φ = 11500192.

The previous prime is 28946207. The next prime is 28946231. The reversal of 28946230 is 3264982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28946231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8224 + ... + 11203.

It is an arithmetic number, because the mean of its divisors is an integer number (3278475).

Almost surely, 228946230 is an apocalyptic number.

28946230 is a deficient number, since it is larger than the sum of its proper divisors (23509370).

28946230 is a wasteful number, since it uses less digits than its factorization.

28946230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19583.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 28946230 is about 5380.1700716613. The cubic root of 28946230 is about 307.0416817855.

The spelling of 28946230 in words is "twenty-eight million, nine hundred forty-six thousand, two hundred thirty".

Divisors: 1 2 5 10 149 298 745 1490 19427 38854 97135 194270 2894623 5789246 14473115 28946230