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431983368 = 23345911299
BaseRepresentation
bin11001101111111…
…000101100001000
31010002212000210000
4121233320230020
51341041431433
6110510523000
713463540505
oct3157705410
91102760700
10431983368
11201930553
12100806460
136b65c27b
144152c4ac
1527dd0113
hex19bf8b08

431983368 has 80 divisors (see below), whose sum is σ = 1230570000. Its totient is φ = 141541344.

The previous prime is 431983327. The next prime is 431983381. The reversal of 431983368 is 863389134.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32583 + ... + 43881.

It is an arithmetic number, because the mean of its divisors is an integer number (15382125).

Almost surely, 2431983368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431983368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615285000).

431983368 is an abundant number, since it is smaller than the sum of its proper divisors (798586632).

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

431983368 is a wasteful number, since it uses less digits than its factorization.

431983368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11376 (or 11363 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 431983368 is about 20784.2095832389. The cubic root of 431983368 is about 755.9429284203.

The spelling of 431983368 in words is "four hundred thirty-one million, nine hundred eighty-three thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 59 72 81 108 118 162 177 216 236 324 354 472 531 648 708 1062 1416 1593 2124 3186 4248 4779 6372 9558 11299 12744 19116 22598 33897 38232 45196 67794 90392 101691 135588 203382 271176 305073 406764 610146 666641 813528 915219 1220292 1333282 1830438 1999923 2440584 2666564 3660876 3999846 5333128 5999769 7321752 7999692 11999538 15999384 17999307 23999076 35998614 47998152 53997921 71997228 107995842 143994456 215991684 431983368