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426406379 = 7219458009
BaseRepresentation
bin11001011010100…
…111000111101011
31002201100200120212
4121122213013223
51333130001004
6110151211335
713365252200
oct3132470753
91081320525
10426406379
111a9771473
12ba976b4b
136a458989
14408b9ca7
152767c96e
hex196a71eb

426406379 has 12 divisors (see below), whose sum is σ = 522131400. Its totient is φ = 346254048.

The previous prime is 426406369. The next prime is 426406381. The reversal of 426406379 is 973604624.

It is not a de Polignac number, because 426406379 - 224 = 409629163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426406319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228074 + ... + 229935.

It is an arithmetic number, because the mean of its divisors is an integer number (43510950).

Almost surely, 2426406379 is an apocalyptic number.

426406379 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

426406379 is a deficient number, since it is larger than the sum of its proper divisors (95725021).

426406379 is a wasteful number, since it uses less digits than its factorization.

426406379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458042 (or 458035 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 426406379 is about 20649.6096573277. The cubic root of 426406379 is about 752.6757044188.

The spelling of 426406379 in words is "four hundred twenty-six million, four hundred six thousand, three hundred seventy-nine".

Divisors: 1 7 19 49 133 931 458009 3206063 8702171 22442441 60915197 426406379