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2405134042 = 28913511989
BaseRepresentation
bin1000111101011011…
…0110111011011010
320012121200110122121
42033112312323122
514411203242132
61034354211454
7113413205413
oct21726667332
96177613577
102405134042
1110246a9893
12571583b8a
132c439574c
1418b5d880a
15e123c497
hex8f5b6eda

2405134042 has 8 divisors (see below), whose sum is σ = 3648237300. Its totient is φ = 1189054944.

The previous prime is 2405134031. The next prime is 2405134049. The reversal of 2405134042 is 2404315042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2032296561 + 372837481 = 45081^2 + 19309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2405133998 and 2405134016.

It is not an unprimeable number, because it can be changed into a prime (2405134049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6755817 + ... + 6756172.

Almost surely, 22405134042 is an apocalyptic number.

2405134042 is a deficient number, since it is larger than the sum of its proper divisors (1243103258).

2405134042 is a wasteful number, since it uses less digits than its factorization.

2405134042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512080.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2405134042 is about 49042.1659595088. The cubic root of 2405134042 is about 1339.8199137954.

Adding to 2405134042 its reverse (2404315042), we get a palindrome (4809449084).

The spelling of 2405134042 in words is "two billion, four hundred five million, one hundred thirty-four thousand, forty-two".

Divisors: 1 2 89 178 13511989 27023978 1202567021 2405134042