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83243424 = 25311174637
BaseRepresentation
bin1001111011000…
…11000110100000
312210122012111210
410331203012200
5132302242144
612132110120
72030362125
oct475430640
9183565453
1083243424
1142a97020
1223a65340
1314327784
14b0ac74c
157494ab9
hex4f631a0

83243424 has 96 divisors (see below), whose sum is σ = 252455616. Its totient is φ = 23736320.

The previous prime is 83243411. The next prime is 83243429. The reversal of 83243424 is 42434238.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 83243391 and 83243400.

It is not an unprimeable number, because it can be changed into a prime (83243429) 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, 15634 + ... + 20270.

It is an arithmetic number, because the mean of its divisors is an integer number (2629746).

Almost surely, 283243424 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 83243424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126227808).

83243424 is an abundant number, since it is smaller than the sum of its proper divisors (169212192).

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

83243424 is a wasteful number, since it uses less digits than its factorization.

83243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678 (or 4670 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 83243424 is about 9123.7834257505. The cubic root of 83243424 is about 436.6330897659.

The spelling of 83243424 in words is "eighty-three million, two hundred forty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 16 17 22 24 32 33 34 44 48 51 66 68 88 96 102 132 136 176 187 204 264 272 352 374 408 528 544 561 748 816 1056 1122 1496 1632 2244 2992 4488 4637 5984 8976 9274 13911 17952 18548 27822 37096 51007 55644 74192 78829 102014 111288 148384 153021 157658 204028 222576 236487 306042 315316 408056 445152 472974 612084 630632 816112 867119 945948 1224168 1261264 1632224 1734238 1891896 2448336 2522528 2601357 3468476 3783792 4896672 5202714 6936952 7567584 10405428 13873904 20810856 27747808 41621712 83243424