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328871532 = 2231119131129
BaseRepresentation
bin10011100110100…
…010111001101100
3211220211101221010
4103212202321230
51133142342112
652344505220
711102235063
oct2346427154
9756741833
10328871532
11159704060
129217b210
1353199252
143196b1da
151dd1363c
hex139a2e6c

328871532 has 48 divisors (see below), whose sum is σ = 881193600. Its totient is φ = 94412160.

The previous prime is 328871531. The next prime is 328871539. The reversal of 328871532 is 235178823.

It is not an unprimeable number, because it can be changed into a prime (328871531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63057 + ... + 68072.

It is an arithmetic number, because the mean of its divisors is an integer number (18358200).

Almost surely, 2328871532 is an apocalyptic number.

It is an amenable number.

328871532 is an abundant number, since it is smaller than the sum of its proper divisors (552322068).

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

328871532 is a wasteful number, since it uses less digits than its factorization.

328871532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131166 (or 131164 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 328871532 is about 18134.8154663895. The cubic root of 328871532 is about 690.2537273137.

It can be divided in two parts, 328 and 871532, that added together give a triangular number (871860 = T1320).

The spelling of 328871532 in words is "three hundred twenty-eight million, eight hundred seventy-one thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 418 627 836 1254 2508 131129 262258 393387 524516 786774 1442419 1573548 2491451 2884838 4327257 4982902 5769676 7474353 8654514 9965804 14948706 17309028 27405961 29897412 54811922 82217883 109623844 164435766 328871532