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246040642 = 2166973709
BaseRepresentation
bin11101010101001…
…00100001000010
3122010222011022101
432222210201002
51000441300032
640225301014
76045211441
oct1652444102
9563864271
10246040642
11116979a81
126a49476a
133bc874a3
1424968d58
1516900de7
hexeaa4842

246040642 has 8 divisors (see below), whose sum is σ = 369287100. Its totient is φ = 122944944.

The previous prime is 246040621. The next prime is 246040651.

246040642 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 223771681 + 22268961 = 14959^2 + 4719^2 .

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

It is a super-4 number, since 4×2460406424 (a number of 35 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 246040642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33517 + ... + 40192.

Almost surely, 2246040642 is an apocalyptic number.

246040642 is a deficient number, since it is larger than the sum of its proper divisors (123246458).

246040642 is a wasteful number, since it uses less digits than its factorization.

246040642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75380.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 246040642 is about 15685.6827074884. The cubic root of 246040642 is about 626.6171599012.

The spelling of 246040642 in words is "two hundred forty-six million, forty thousand, six hundred forty-two".

Divisors: 1 2 1669 3338 73709 147418 123020321 246040642