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328888560 = 243571113372
BaseRepresentation
bin10011100110100…
…111000011110000
3211220212021021210
4103212213003300
51133143413220
652345120120
711102335530
oct2346470360
9756767253
10328888560
11159715930
1292189040
13531a3c20
14319734c0
151dd186e0
hex139a70f0

328888560 has 480 divisors, whose sum is σ = 1406909952. Its totient is φ = 61378560.

The previous prime is 328888559. The next prime is 328888583. The reversal of 328888560 is 65888823.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8888862 + ... + 8888898.

Almost surely, 2328888560 is an apocalyptic number.

328888560 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 328888560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703454976).

328888560 is an abundant number, since it is smaller than the sum of its proper divisors (1078021392).

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

328888560 is a wasteful number, since it uses less digits than its factorization.

328888560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 328888560 is about 18135.2849439980. The cubic root of 328888560 is about 690.2656402102.

It can be divided in two parts, 328 and 888560, that added together give a palindrome (888888).

The spelling of 328888560 in words is "three hundred twenty-eight million, eight hundred eighty-eight thousand, five hundred sixty".