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2220232 = 23741967
BaseRepresentation
bin1000011110000011001000
311011210120211
420132003020
51032021412
6115330504
724604660
oct10360310
94153524
102220232
111287103
128b0a34
135c9761
1441b1a0
152dcca7
hex21e0c8

2220232 has 32 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 927360.

The previous prime is 2220209. The next prime is 2220263. The reversal of 2220232 is 2320222.

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, 1813 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (152460).

22220232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439360).

2220232 is an abundant number, since it is smaller than the sum of its proper divisors (2658488).

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

2220232 is a wasteful number, since it uses less digits than its factorization.

2220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2220232 is about 1490.0442946436. The cubic root of 2220232 is about 130.4566191202.

Adding to 2220232 its reverse (2320222), we get a palindrome (4540454).

The spelling of 2220232 in words is "two million, two hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 967 1148 1934 2296 3868 6769 7736 13538 27076 39647 54152 79294 158588 277529 317176 555058 1110116 2220232