Search a number
-
+
83328672 = 2537124001
BaseRepresentation
bin1001111011101…
…11111010100000
312210210112110010
410331313322200
5132313004142
612134004520
72031165510
oct475677240
9183715403
1083328672
1143045079
1223aa6740
131435750b
14b0d1840
1574aee9c
hex4f77ea0

83328672 has 48 divisors (see below), whose sum is σ = 249988032. Its totient is φ = 23808000.

The previous prime is 83328671. The next prime is 83328689. The reversal of 83328672 is 27682338.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a self number, because there is not a number n which added to its sum of digits gives 83328672.

It is not an unprimeable number, because it can be changed into a prime (83328671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61329 + ... + 62672.

It is an arithmetic number, because the mean of its divisors is an integer number (5208084).

Almost surely, 283328672 is an apocalyptic number.

It is an amenable number.

83328672 is an abundant number, since it is smaller than the sum of its proper divisors (166659360).

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

83328672 is a wasteful number, since it uses less digits than its factorization.

83328672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124021 (or 124013 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 83328672 is about 9128.4539764409. The cubic root of 83328672 is about 436.7820881168.

The spelling of 83328672 in words is "eighty-three million, three hundred twenty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 124001 248002 372003 496004 744006 868007 992008 1488012 1736014 1984016 2604021 2976024 3472028 3968032 5208042 5952048 6944056 10416084 11904096 13888112 20832168 27776224 41664336 83328672