Search a number
-
+
2216502 = 232196481
BaseRepresentation
bin1000011101001000110110
311011121110200
420131020312
51031412002
6115301330
724561051
oct10351066
94147420
102216502
111284322
128aa846
135c7b52
14419a98
152dbb1c
hex21d236

2216502 has 24 divisors (see below), whose sum is σ = 5055960. Its totient is φ = 699840.

The previous prime is 2216479. The next prime is 2216519. The reversal of 2216502 is 2056122.

It is a super-2 number, since 2×22165022 = 9825762232008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2899 + ... + 3582.

It is an arithmetic number, because the mean of its divisors is an integer number (210665).

22216502 is an apocalyptic number.

2216502 is an abundant number, since it is smaller than the sum of its proper divisors (2839458).

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

2216502 is a wasteful number, since it uses less digits than its factorization.

2216502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6508 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2216502 is about 1488.7921278674. The cubic root of 2216502 is about 130.3835222633.

The spelling of 2216502 in words is "two million, two hundred sixteen thousand, five hundred two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 6481 12962 19443 38886 58329 116658 123139 246278 369417 738834 1108251 2216502