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2255553 = 33139601
BaseRepresentation
bin1000100110101011000001
311020121001000
420212223001
51034134203
6120202213
725112646
oct10465301
94217030
102255553
1113006a3
12909369
1360c861
14429dcd
152e84a3
hex226ac1

2255553 has 16 divisors (see below), whose sum is σ = 3371200. Its totient is φ = 1490400.

The previous prime is 2255551. The next prime is 2255567. The reversal of 2255553 is 3555522.

It is not a de Polignac number, because 2255553 - 21 = 2255551 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3453 + ... + 4053.

It is an arithmetic number, because the mean of its divisors is an integer number (210700).

22255553 is an apocalyptic number.

It is an amenable number.

2255553 is a deficient number, since it is larger than the sum of its proper divisors (1115647).

2255553 is a wasteful number, since it uses less digits than its factorization.

2255553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 743 counting only the distinct ones).

The product of its digits is 7500, while the sum is 27.

The square root of 2255553 is about 1501.8498593401. The cubic root of 2255553 is about 131.1447809779.

It can be divided in two parts, 225 and 5553, that added together give a triangular number (5778 = T107).

The spelling of 2255553 in words is "two million, two hundred fifty-five thousand, five hundred fifty-three".

Divisors: 1 3 9 27 139 417 601 1251 1803 3753 5409 16227 83539 250617 751851 2255553