Search a number
-
+
83901056 = 272328499
BaseRepresentation
bin1010000000000…
…11101010000000
312211212121121112
411000003222000
5132434313211
612154142452
72036101331
oct500035200
9184777545
1083901056
11433a6118
1224121a28
13144c7bc5
14b200288
15757488b
hex5003a80

83901056 has 32 divisors (see below), whose sum is σ = 174420000. Its totient is φ = 40125184.

The previous prime is 83901053. The next prime is 83901061. The reversal of 83901056 is 65010938.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (83901053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11306 + ... + 17193.

It is an arithmetic number, because the mean of its divisors is an integer number (5450625).

Almost surely, 283901056 is an apocalyptic number.

It is an amenable number.

83901056 is an abundant number, since it is smaller than the sum of its proper divisors (90518944).

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

83901056 is a wasteful number, since it uses less digits than its factorization.

83901056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28536 (or 28524 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 83901056 is about 9159.7519617073. The cubic root of 83901056 is about 437.7798912140.

The spelling of 83901056 in words is "eighty-three million, nine hundred one thousand, fifty-six".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 368 736 1472 2944 28499 56998 113996 227992 455984 655477 911968 1310954 1823936 2621908 3647872 5243816 10487632 20975264 41950528 83901056