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2220294 = 231572357
BaseRepresentation
bin1000011110000100000110
311011210200010
420132010012
51032022134
6115331050
724605106
oct10360406
94153603
102220294
11128715a
128b0a86
135c97ab
1441b206
152dcce9
hex21e106

2220294 has 16 divisors (see below), whose sum is σ = 4470768. Its totient is φ = 735072.

The previous prime is 2220293. The next prime is 2220301. The reversal of 2220294 is 4920222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220293) 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, 237 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (279423).

22220294 is an apocalyptic number.

2220294 is an abundant number, since it is smaller than the sum of its proper divisors (2250474).

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

2220294 is a wasteful number, since it uses less digits than its factorization.

2220294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2220294 is about 1490.0650992490. The cubic root of 2220294 is about 130.4578334431.

The spelling of 2220294 in words is "two million, two hundred twenty thousand, two hundred ninety-four".

Divisors: 1 2 3 6 157 314 471 942 2357 4714 7071 14142 370049 740098 1110147 2220294