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83228992 = 2671116889
BaseRepresentation
bin1001111010111…
…11100101000000
312210121110201021
410331133211000
5132301311432
612131515224
72030302060
oct475374500
9183543637
1083228992
1142a871a0
1223a58b14
1314321032
14b0a73a0
157490697
hex4f5f940

83228992 has 56 divisors (see below), whose sum is σ = 205922880. Its totient is φ = 32424960.

The previous prime is 83228953. The next prime is 83229001. The reversal of 83228992 is 29982238.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517 + ... + 13372.

Almost surely, 283228992 is an apocalyptic number.

It is an amenable number.

83228992 is an abundant number, since it is smaller than the sum of its proper divisors (122693888).

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

83228992 is a wasteful number, since it uses less digits than its factorization.

83228992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16919 (or 16909 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 83228992 is about 9122.9924915019. The cubic root of 83228992 is about 436.6078551281.

The spelling of 83228992 in words is "eighty-three million, two hundred twenty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 154 176 224 308 352 448 616 704 1232 2464 4928 16889 33778 67556 118223 135112 185779 236446 270224 371558 472892 540448 743116 945784 1080896 1300453 1486232 1891568 2600906 2972464 3783136 5201812 5944928 7566272 10403624 11889856 20807248 41614496 83228992