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2472155 = 57233783
BaseRepresentation
bin1001011011100011011011
311122121011022
421123203123
51113102110
6124553055
730004310
oct11334333
94577138
102472155
111439404
129b278b
1368731a
14484d07
1533c755
hex25b8db

2472155 has 32 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 1558656.

The previous prime is 2472143. The next prime is 2472167. The reversal of 2472155 is 5512742.

2472155 = T230 + T231 + ... + T299.

It is an interprime number because it is at equal distance from previous prime (2472143) and next prime (2472167).

It is a cyclic number.

It is not a de Polignac number, because 2472155 - 26 = 2472091 is a prime.

It is a super-2 number, since 2×24721552 = 12223100688050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29744 + ... + 29826.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

22472155 is an apocalyptic number.

2472155 is a deficient number, since it is larger than the sum of its proper divisors (1205029).

2472155 is a wasteful number, since it uses less digits than its factorization.

2472155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155.

The product of its digits is 2800, while the sum is 26.

The square root of 2472155 is about 1572.3088119069. The cubic root of 2472155 is about 135.2151120148.

Adding to 2472155 its reverse (5512742), we get a palindrome (7984897).

The spelling of 2472155 in words is "two million, four hundred seventy-two thousand, one hundred fifty-five".

Divisors: 1 5 7 23 35 37 83 115 161 185 259 415 581 805 851 1295 1909 2905 3071 4255 5957 9545 13363 15355 21497 29785 66815 70633 107485 353165 494431 2472155