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268472419 = 457587467
BaseRepresentation
bin10000000000001…
…001000001100011
3200201011210220221
4100000021001203
51022212104134
642350143511
76436656265
oct2000110143
9621153827
10268472419
11128600336
1275ab1b97
134380c727
1427927b35
15188825b4
hex10009063

268472419 has 4 divisors (see below), whose sum is σ = 269060344. Its totient is φ = 267884496.

The previous prime is 268472377. The next prime is 268472423. The reversal of 268472419 is 914274862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268472419 - 27 = 268472291 is a prime.

It is a super-2 number, since 2×2684724192 = 144154879527423122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268473419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293277 + ... + 294190.

It is an arithmetic number, because the mean of its divisors is an integer number (67265086).

Almost surely, 2268472419 is an apocalyptic number.

268472419 is a deficient number, since it is larger than the sum of its proper divisors (587925).

268472419 is an equidigital number, since it uses as much as digits as its factorization.

268472419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587924.

The product of its digits is 193536, while the sum is 43.

The square root of 268472419 is about 16385.1279824114. The cubic root of 268472419 is about 645.1091848895.

The spelling of 268472419 in words is "two hundred sixty-eight million, four hundred seventy-two thousand, four hundred nineteen".

Divisors: 1 457 587467 268472419