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83297172 = 2237991633
BaseRepresentation
bin1001111011100…
…00001110010100
312210201221020110
410331300032110
5132311002142
612133203020
72031004620
oct475601624
9183657213
1083297172
1143023442
1223a90470
131434608a
14b0c4180
1574a599c
hex4f70394

83297172 has 24 divisors (see below), whose sum is σ = 222126016. Its totient is φ = 23799168.

The previous prime is 83297171. The next prime is 83297189. The reversal of 83297172 is 27179238.

It is a self number, because there is not a number n which added to its sum of digits gives 83297172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83297171) 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 7 ways as a sum of consecutive naturals, for example, 495733 + ... + 495900.

Almost surely, 283297172 is an apocalyptic number.

It is an amenable number.

83297172 is an abundant number, since it is smaller than the sum of its proper divisors (138828844).

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

83297172 is a wasteful number, since it uses less digits than its factorization.

83297172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991647 (or 991645 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 83297172 is about 9126.7284390410. The cubic root of 83297172 is about 436.7270435585.

The spelling of 83297172 in words is "eighty-three million, two hundred ninety-seven thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 991633 1983266 2974899 3966532 5949798 6941431 11899596 13882862 20824293 27765724 41648586 83297172