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246800042 = 2123400021
BaseRepresentation
bin11101011010111…
…01111010101010
3122012101202000022
432231131322222
51001140100132
640253440442
76054523436
oct1655357252
9565352008
10246800042
11117348585
126a7a0122
133c192038
1424ac59c6
1516a00e12
hexeb5deaa

246800042 has 4 divisors (see below), whose sum is σ = 370200066. Its totient is φ = 123400020.

The previous prime is 246800011. The next prime is 246800087. The reversal of 246800042 is 240008642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240008642 = 2120004321.

It can be written as a sum of positive squares in only one way, i.e., 216648961 + 30151081 = 14719^2 + 5491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 246799984 and 246800020.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61700009 + ... + 61700012.

Almost surely, 2246800042 is an apocalyptic number.

246800042 is a deficient number, since it is larger than the sum of its proper divisors (123400024).

246800042 is a wasteful number, since it uses less digits than its factorization.

246800042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123400023.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 246800042 is about 15709.8708460636. The cubic root of 246800042 is about 627.2611786217.

Adding to 246800042 its reverse (240008642), we get a palindrome (486808684).

The spelling of 246800042 in words is "two hundred forty-six million, eight hundred thousand, forty-two".

Divisors: 1 2 123400021 246800042