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28148496 = 2433118917
BaseRepresentation
bin110101101100…
…0001100010000
31221222002110220
41223120030100
524201222441
62443153040
7461154405
oct153301420
957862426
1028148496
1114986422
129515780
135aa731c
143a4a2ac
152710466
hex1ad8310

28148496 has 40 divisors (see below), whose sum is σ = 75066624. Its totient is φ = 9079680.

The previous prime is 28148489. The next prime is 28148513. The reversal of 28148496 is 69484182.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971 + ... + 10946.

Almost surely, 228148496 is an apocalyptic number.

It is an amenable number.

28148496 is an abundant number, since it is smaller than the sum of its proper divisors (46918128).

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

28148496 is a wasteful number, since it uses less digits than its factorization.

28148496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18959 (or 18953 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 28148496 is about 5305.5156205594. The cubic root of 28148496 is about 304.1947620844.

The spelling of 28148496 in words is "twenty-eight million, one hundred forty-eight thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 18917 37834 56751 75668 113502 151336 227004 302672 454008 586427 908016 1172854 1759281 2345708 3518562 4691416 7037124 9382832 14074248 28148496