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2255472 = 243323227
BaseRepresentation
bin1000100110101001110000
311020120221000
420212221300
51034133342
6120202000
725112502
oct10465160
94216830
102255472
11130062a
12909300
1360c7cb
14429d72
152e844c
hex226a70

2255472 has 80 divisors (see below), whose sum is σ = 6785280. Its totient is φ = 715968.

The previous prime is 2255459. The next prime is 2255489. The reversal of 2255472 is 2745522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9823 + ... + 10049.

It is an arithmetic number, because the mean of its divisors is an integer number (84816).

22255472 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 2255472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3392640).

2255472 is an abundant number, since it is smaller than the sum of its proper divisors (4529808).

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

2255472 is a wasteful number, since it uses less digits than its factorization.

2255472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 255 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2255472 is about 1501.8228923545. The cubic root of 2255472 is about 131.1432110961.

The spelling of 2255472 in words is "two million, two hundred fifty-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 36 46 48 54 69 72 92 108 138 144 184 207 216 227 276 368 414 432 454 552 621 681 828 908 1104 1242 1362 1656 1816 2043 2484 2724 3312 3632 4086 4968 5221 5448 6129 8172 9936 10442 10896 12258 15663 16344 20884 24516 31326 32688 41768 46989 49032 62652 83536 93978 98064 125304 140967 187956 250608 281934 375912 563868 751824 1127736 2255472