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245012000 = 255361253
BaseRepresentation
bin11101001101010…
…01011000100000
3122002000220021112
432212221120200
51000210341000
640151242452
76033365462
oct1646513040
9562026245
10245012000
11116337162
126a079428
133b9b721c
142477c132
151679b235
hexe9a9620

245012000 has 48 divisors (see below), whose sum is σ = 602004312. Its totient is φ = 98003200.

The previous prime is 245011999. The next prime is 245012029. The reversal of 245012000 is 210542.

It can be written as a sum of positive squares in 4 ways, for example, as 28686736 + 216325264 = 5356^2 + 14708^2 .

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, 26627 + ... + 34626.

Almost surely, 2245012000 is an apocalyptic number.

245012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245012000 is an abundant number, since it is smaller than the sum of its proper divisors (356992312).

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

245012000 is an equidigital number, since it uses as much as digits as its factorization.

245012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61278 (or 61260 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 245012000 is about 15652.8591637439. The cubic root of 245012000 is about 625.7426904412.

Adding to 245012000 its reverse (210542), we get a palindrome (245222542).

The spelling of 245012000 in words is "two hundred forty-five million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 61253 122506 245012 306265 490024 612530 980048 1225060 1531325 1960096 2450120 3062650 4900240 6125300 7656625 9800480 12250600 15313250 24501200 30626500 49002400 61253000 122506000 245012000