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245134042 = 22915592711
BaseRepresentation
bin11101001110001…
…11001011011010
3122002021002200121
432213013023122
51000223242132
640154023454
76034414336
oct1647071332
9562232617
10245134042
1111640a91a
126a117b8a
133ba2a93a
14247b07c6
15167c2497
hexe9c72da

245134042 has 16 divisors (see below), whose sum is σ = 380764800. Its totient is φ = 118221040.

The previous prime is 245134037. The next prime is 245134049. The reversal of 245134042 is 240431542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245133998 and 245134016.

It is not an unprimeable number, because it can be changed into a prime (245134049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89067 + ... + 91777.

It is an arithmetic number, because the mean of its divisors is an integer number (23797800).

Almost surely, 2245134042 is an apocalyptic number.

245134042 is a deficient number, since it is larger than the sum of its proper divisors (135630758).

245134042 is a wasteful number, since it uses less digits than its factorization.

245134042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301.

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

The square root of 245134042 is about 15656.7570716288. The cubic root of 245134042 is about 625.8465686367.

Adding to 245134042 its reverse (240431542), we get a palindrome (485565584).

The spelling of 245134042 in words is "two hundred forty-five million, one hundred thirty-four thousand, forty-two".

Divisors: 1 2 29 58 1559 2711 3118 5422 45211 78619 90422 157238 4226449 8452898 122567021 245134042