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2405253138 = 231133547571
BaseRepresentation
bin1000111101011101…
…0100000000010010
320012121220112000120
42033113110000102
514411221100023
61034400531110
7113414212551
oct21727240022
96177815016
102405253138
111024780312
12571620a96
132c4407a12
1418b629d98
15e12628e3
hex8f5d4012

2405253138 has 16 divisors (see below), whose sum is σ = 4853078496. Its totient is φ = 794655680.

The previous prime is 2405253133. The next prime is 2405253161. The reversal of 2405253138 is 8313525042.

It is a junction number, because it is equal to n+sod(n) for n = 2405253099 and 2405253108.

It is not an unprimeable number, because it can be changed into a prime (2405253131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1773108 + ... + 1774463.

It is an arithmetic number, because the mean of its divisors is an integer number (303317406).

Almost surely, 22405253138 is an apocalyptic number.

2405253138 is an abundant number, since it is smaller than the sum of its proper divisors (2447825358).

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

2405253138 is a wasteful number, since it uses less digits than its factorization.

2405253138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547689.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2405253138 is about 49043.3801649111. The cubic root of 2405253138 is about 1339.8420282328.

The spelling of 2405253138 in words is "two billion, four hundred five million, two hundred fifty-three thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 113 226 339 678 3547571 7095142 10642713 21285426 400875523 801751046 1202626569 2405253138