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2428155 = 32553959
BaseRepresentation
bin1001010000110011111011
311120100210200
421100303323
51110200110
6124013243
726432112
oct11206373
94510720
102428155
111409344
12991223
136702a2
14472c79
1532e6c0
hex250cfb

2428155 has 12 divisors (see below), whose sum is σ = 4208880. Its totient is φ = 1294992.

The previous prime is 2428123. The next prime is 2428157. The reversal of 2428155 is 5518242.

It is a happy number.

It is not a de Polignac number, because 2428155 - 25 = 2428123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2428157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26935 + ... + 27024.

It is an arithmetic number, because the mean of its divisors is an integer number (350740).

22428155 is an apocalyptic number.

2428155 is a deficient number, since it is larger than the sum of its proper divisors (1780725).

2428155 is a wasteful number, since it uses less digits than its factorization.

2428155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53970 (or 53967 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2428155 is about 1558.2538304140. The cubic root of 2428155 is about 134.4081083012.

It can be divided in two parts, 24281 and 55, that added together give a square (24336 = 1562).

The spelling of 2428155 in words is "two million, four hundred twenty-eight thousand, one hundred fifty-five".

Divisors: 1 3 5 9 15 45 53959 161877 269795 485631 809385 2428155