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252825900 = 223525315901
BaseRepresentation
bin11110001000111…
…01000100101100
3122121201212221020
433010131010230
51004210412100
641030534140
76156661515
oct1704350454
9577655836
10252825900
1111a793928
1270807350
13404c1a32
1425813a0c
15172e15a0
hexf11d12c

252825900 has 72 divisors (see below), whose sum is σ = 745358544. Its totient is φ = 66144000.

The previous prime is 252825889. The next prime is 252825901. The reversal of 252825900 is 9528252.

It is not an unprimeable number, because it can be changed into a prime (252825901) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7950 + ... + 23850.

It is an arithmetic number, because the mean of its divisors is an integer number (10352202).

Almost surely, 2252825900 is an apocalyptic number.

252825900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 15900×15901.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252825900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372679272).

252825900 is an abundant number, since it is smaller than the sum of its proper divisors (492532644).

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

252825900 is a wasteful number, since it uses less digits than its factorization.

252825900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15971 (or 15964 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 252825900 is about 15900.4999921386. The cubic root of 252825900 is about 632.3252445181.

The spelling of 252825900 in words is "two hundred fifty-two million, eight hundred twenty-five thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 53 60 75 100 106 150 159 212 265 300 318 530 636 795 1060 1325 1590 2650 3180 3975 5300 7950 15900 15901 31802 47703 63604 79505 95406 159010 190812 238515 318020 397525 477030 795050 842753 954060 1192575 1590100 1685506 2385150 2528259 3371012 4213765 4770300 5056518 8427530 10113036 12641295 16855060 21068825 25282590 42137650 50565180 63206475 84275300 126412950 252825900