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2252180 = 225716087
BaseRepresentation
bin1000100101110110010100
311020102102002
420211312110
51034032210
6120134432
725100060
oct10456624
94212362
102252180
1112a9107
12907418
1360b168
14428aa0
152e74a5
hex225d94

2252180 has 24 divisors (see below), whose sum is σ = 5405568. Its totient is φ = 772128.

The previous prime is 2252179. The next prime is 2252189. The reversal of 2252180 is 812522.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252189) 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, 7904 + ... + 8183.

It is an arithmetic number, because the mean of its divisors is an integer number (225232).

22252180 is an apocalyptic number.

2252180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252180 is an abundant number, since it is smaller than the sum of its proper divisors (3153388).

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

2252180 is a wasteful number, since it uses less digits than its factorization.

2252180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16103 (or 16101 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2252180 is about 1500.7264907371. The cubic root of 2252180 is about 131.0793761703.

The spelling of 2252180 in words is "two million, two hundred fifty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 16087 32174 64348 80435 112609 160870 225218 321740 450436 563045 1126090 2252180