Search a number
-
+
83220115 = 5111513093
BaseRepresentation
bin1001111010111…
…01011010010011
312210121000112111
410331131122103
5132301020430
612131410151
72030234146
oct475353223
9183530474
1083220115
1142a80560
1223a53957
1314319c94
14b0a405d
15748cc2a
hex4f5d693

83220115 has 8 divisors (see below), whose sum is σ = 108942768. Its totient is φ = 60523680.

The previous prime is 83220107. The next prime is 83220121. The reversal of 83220115 is 51102238.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83220115 - 23 = 83220107 is a prime.

It is a super-2 number, since 2×832201152 = 13851175081226450, which contains 22 as substring.

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, 756492 + ... + 756601.

It is an arithmetic number, because the mean of its divisors is an integer number (13617846).

Almost surely, 283220115 is an apocalyptic number.

83220115 is a deficient number, since it is larger than the sum of its proper divisors (25722653).

83220115 is a wasteful number, since it uses less digits than its factorization.

83220115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513109.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 83220115 is about 9122.5059605352. The cubic root of 83220115 is about 436.5923320688.

The spelling of 83220115 in words is "eighty-three million, two hundred twenty thousand, one hundred fifteen".

Divisors: 1 5 11 55 1513093 7565465 16644023 83220115