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331884272 = 2431166697
BaseRepresentation
bin10011110010000…
…010011011110000
3212010111110122002
4103302002123300
51134430244042
652533233132
711136653426
oct2362023360
9763443562
10331884272
11160381625
12931927a8
13539b2635
1432113116
151e20b132
hex13c826f0

331884272 has 20 divisors (see below), whose sum is σ = 645103056. Its totient is φ = 165406080.

The previous prime is 331884271. The next prime is 331884307. The reversal of 331884272 is 272488133.

It is a super-2 number, since 2×3318842722 = 220294340001939968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331884271) 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 3 ways as a sum of consecutive naturals, for example, 28373 + ... + 38324.

Almost surely, 2331884272 is an apocalyptic number.

It is an amenable number.

331884272 is a deficient number, since it is larger than the sum of its proper divisors (313218784).

331884272 is a wasteful number, since it uses less digits than its factorization.

331884272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67016 (or 67010 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 331884272 is about 18217.6911819253. The cubic root of 331884272 is about 692.3550919063.

The spelling of 331884272 in words is "three hundred thirty-one million, eight hundred eighty-four thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 311 622 1244 2488 4976 66697 133394 266788 533576 1067152 20742767 41485534 82971068 165942136 331884272