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28925934 = 2329374493
BaseRepresentation
bin110111001010…
…1111111101110
32000102120220220
41232111333232
524401112214
62511552210
7500603112
oct156257756
960376826
1028925934
1115367534
12982b666
135cba14b
143bad742
1528159a9
hex1b95fee

28925934 has 32 divisors (see below), whose sum is σ = 61477920. Its totient is φ = 9055872.

The previous prime is 28925921. The next prime is 28926011. The reversal of 28925934 is 43952982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4192 + ... + 8684.

It is an arithmetic number, because the mean of its divisors is an integer number (1921185).

Almost surely, 228925934 is an apocalyptic number.

28925934 is an abundant number, since it is smaller than the sum of its proper divisors (32551986).

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

28925934 is a wasteful number, since it uses less digits than its factorization.

28925934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564.

The product of its digits is 155520, while the sum is 42.

The square root of 28925934 is about 5378.2835551875. The cubic root of 28925934 is about 306.9699030078.

The spelling of 28925934 in words is "twenty-eight million, nine hundred twenty-five thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 29 37 58 74 87 111 174 222 1073 2146 3219 4493 6438 8986 13479 26958 130297 166241 260594 332482 390891 498723 781782 997446 4820989 9641978 14462967 28925934