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2251384 = 23281423
BaseRepresentation
bin1000100101101001111000
311020101022121
420211221320
51034021014
6120131024
725064542
oct10455170
94211277
102251384
1112a8553
12906a74
1360a9a5
14428692
152e7124
hex225a78

2251384 has 8 divisors (see below), whose sum is σ = 4221360. Its totient is φ = 1125688.

The previous prime is 2251373. The next prime is 2251397. The reversal of 2251384 is 4831522.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140704 + ... + 140719.

It is an arithmetic number, because the mean of its divisors is an integer number (527670).

22251384 is an apocalyptic number.

It is an amenable number.

2251384 is a deficient number, since it is larger than the sum of its proper divisors (1969976).

2251384 is a wasteful number, since it uses less digits than its factorization.

2251384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281429 (or 281425 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2251384 is about 1500.4612624123. The cubic root of 2251384 is about 131.0639316560.

The spelling of 2251384 in words is "two million, two hundred fifty-one thousand, three hundred eighty-four".

Divisors: 1 2 4 8 281423 562846 1125692 2251384