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245828400 = 24352204857
BaseRepresentation
bin11101010011100…
…00101100110000
3122010120101011120
432221300230300
51000413002100
640220542240
76043335606
oct1651605460
9563511146
10245828400
11116844574
126a3b1980
133bc119bc
1424911876
15168ad0a0
hexea70b30

245828400 has 60 divisors (see below), whose sum is σ = 787474152. Its totient is φ = 65553920.

The previous prime is 245828399. The next prime is 245828411. The reversal of 245828400 is 4828542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101229 + ... + 103628.

Almost surely, 2245828400 is an apocalyptic number.

245828400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245828400 is an abundant number, since it is smaller than the sum of its proper divisors (541645752).

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

245828400 is a wasteful number, since it uses less digits than its factorization.

245828400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204878 (or 204867 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 245828400 is about 15678.9157788413. The cubic root of 245828400 is about 626.4369285132.

The spelling of 245828400 in words is "two hundred forty-five million, eight hundred twenty-eight thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 204857 409714 614571 819428 1024285 1229142 1638856 2048570 2458284 3072855 3277712 4097140 4916568 5121425 6145710 8194280 9833136 10242850 12291420 15364275 16388560 20485700 24582840 30728550 40971400 49165680 61457100 81942800 122914200 245828400