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245313500 = 2253490627
BaseRepresentation
bin11101001111100…
…10111111011100
3122002121012212012
432213302333130
51000300013000
640201530352
76036062465
oct1647627734
9562535765
10245313500
11116522733
126a1a39b8
133ba91523
1424819d6c
151680a735
hexe9f2fdc

245313500 has 24 divisors (see below), whose sum is σ = 535765776. Its totient is φ = 98125200.

The previous prime is 245313493. The next prime is 245313517. The reversal of 245313500 is 5313542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244814 + ... + 245813.

It is an arithmetic number, because the mean of its divisors is an integer number (22323574).

Almost surely, 2245313500 is an apocalyptic number.

245313500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245313500 is an abundant number, since it is smaller than the sum of its proper divisors (290452276).

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

245313500 is a wasteful number, since it uses less digits than its factorization.

245313500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490646 (or 490634 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 245313500 is about 15662.4870311199. The cubic root of 245313500 is about 625.9992548654. Note that the first 3 decimals are identical.

The spelling of 245313500 in words is "two hundred forty-five million, three hundred thirteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 490627 981254 1962508 2453135 4906270 9812540 12265675 24531350 49062700 61328375 122656750 245313500