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323472240 = 243257134937
BaseRepresentation
bin10011010001111…
…100101101110000
3211112200002111100
4103101330231300
51130302102430
652033044400
711005316520
oct2321745560
9745602440
10323472240
11156656533
12903b6700
13520287c0
1430d63680
151d5e8960
hex1347cb70

323472240 has 240 divisors, whose sum is σ = 1337289408. Its totient is φ = 68235264.

The previous prime is 323472239. The next prime is 323472263. The reversal of 323472240 is 42274323.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63052 + ... + 67988.

Almost surely, 2323472240 is an apocalyptic number.

323472240 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 323472240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668644704).

323472240 is an abundant number, since it is smaller than the sum of its proper divisors (1013817168).

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

323472240 is a wasteful number, since it uses less digits than its factorization.

323472240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976 (or 4967 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 323472240 is about 17985.3340252551. The cubic root of 323472240 is about 686.4554204034.

The spelling of 323472240 in words is "three hundred twenty-three million, four hundred seventy-two thousand, two hundred forty".