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245378028 = 22377733779
BaseRepresentation
bin11101010000000…
…10101111101100
3122002201111101010
432220002233230
51000304044103
640203145220
76036451560
oct1650025754
9562644333
10245378028
11116567165
126a215210
133bab49cc
14248356a0
151681e903
hexea02bec

245378028 has 48 divisors (see below), whose sum is σ = 655361280. Its totient is φ = 69998784.

The previous prime is 245378009. The next prime is 245378041. The reversal of 245378028 is 820873542.

245378028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 63043 + ... + 66821.

It is an arithmetic number, because the mean of its divisors is an integer number (13653360).

Almost surely, 2245378028 is an apocalyptic number.

245378028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245378028 is an abundant number, since it is smaller than the sum of its proper divisors (409983252).

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

245378028 is a wasteful number, since it uses less digits than its factorization.

245378028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566 (or 4564 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 245378028 is about 15664.5468494942. The cubic root of 245378028 is about 626.0541382950.

The spelling of 245378028 in words is "two hundred forty-five million, three hundred seventy-eight thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 773 1546 2319 3092 3779 4638 5411 7558 9276 10822 11337 15116 16233 21644 22674 26453 32466 45348 52906 64932 79359 105812 158718 317436 2921167 5842334 8763501 11684668 17527002 20448169 35054004 40896338 61344507 81792676 122689014 245378028