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83238644 = 2288323567
BaseRepresentation
bin1001111011000…
…01111011110100
312210121221221202
410331201323310
5132302114034
612132032032
72030342156
oct475417364
9183557852
1083238644
1142a93475
1223a62618
1314325548
14b0aaad6
15749347e
hex4f61ef4

83238644 has 12 divisors (see below), whose sum is σ = 145838784. Its totient is φ = 41570424.

The previous prime is 83238619. The next prime is 83238703. The reversal of 83238644 is 44683238.

It is a junction number, because it is equal to n+sod(n) for n = 83238598 and 83238607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8252 + ... + 15315.

It is an arithmetic number, because the mean of its divisors is an integer number (12153232).

Almost surely, 283238644 is an apocalyptic number.

It is an amenable number.

83238644 is a deficient number, since it is larger than the sum of its proper divisors (62600140).

83238644 is a wasteful number, since it uses less digits than its factorization.

83238644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24454 (or 24452 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 83238644 is about 9123.5214692574. The cubic root of 83238644 is about 436.6247321643.

The spelling of 83238644 in words is "eighty-three million, two hundred thirty-eight thousand, six hundred forty-four".

Divisors: 1 2 4 883 1766 3532 23567 47134 94268 20809661 41619322 83238644