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4289172 = 223357431
BaseRepresentation
bin10000010111001010010100
322001220122020
4100113022110
52044223142
6231533140
751312606
oct20271224
98056566
104289172
11246a578
12152a1b0
13b72394
147d9176
1559acec
hex417294

4289172 has 12 divisors (see below), whose sum is σ = 10008096. Its totient is φ = 1429720.

The previous prime is 4289149. The next prime is 4289213. The reversal of 4289172 is 2719824.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178704 + ... + 178727.

It is an arithmetic number, because the mean of its divisors is an integer number (834008).

Almost surely, 24289172 is an apocalyptic number.

It is an amenable number.

4289172 is an abundant number, since it is smaller than the sum of its proper divisors (5718924).

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

4289172 is a wasteful number, since it uses less digits than its factorization.

4289172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357438 (or 357436 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 4289172 is about 2071.0316269917. The cubic root of 4289172 is about 162.4767240824.

The spelling of 4289172 in words is "four million, two hundred eighty-nine thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 357431 714862 1072293 1429724 2144586 4289172