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325812240 = 243351341283
BaseRepresentation
bin10011011010111…
…000000000010000
3211201001222101000
4103122320000100
51131401442430
652155142000
711034233625
oct2332700020
9751058330
10325812240
11157a04616
1291144900
1352667910
14313b234c
151d90be60
hex136b8010

325812240 has 320 divisors, whose sum is σ = 1242420480. Its totient is φ = 77967360.

The previous prime is 325812239. The next prime is 325812241. The reversal of 325812240 is 42218523.

It is an interprime number because it is at equal distance from previous prime (325812239) and next prime (325812241).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325812241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1151139 + ... + 1151421.

It is an arithmetic number, because the mean of its divisors is an integer number (3882564).

Almost surely, 2325812240 is an apocalyptic number.

325812240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325812240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621210240).

325812240 is an abundant number, since it is smaller than the sum of its proper divisors (916608240).

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

325812240 is a wasteful number, since it uses less digits than its factorization.

325812240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 325812240 is about 18050.2698040777. The cubic root of 325812240 is about 688.1067190683.

The spelling of 325812240 in words is "three hundred twenty-five million, eight hundred twelve thousand, two hundred forty".