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421295903 = 7129146619
BaseRepresentation
bin11001000111000…
…111011100011111
31002100202001022222
4121013013130133
51330322432103
6105445455555
713303645640
oct3107073437
91070661288
10421295903
111a68a0936
12b91115bb
1369389822
143dd496c7
1526ebd638
hex191c771f

421295903 has 8 divisors (see below), whose sum is σ = 481864320. Its totient is φ = 360823320.

The previous prime is 421295879. The next prime is 421295923. The reversal of 421295903 is 309592124.

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

It is a cyclic number.

It is not a de Polignac number, because 421295903 - 226 = 354187039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421295923) 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 7 ways as a sum of consecutive naturals, for example, 14273 + ... + 32346.

It is an arithmetic number, because the mean of its divisors is an integer number (60233040).

Almost surely, 2421295903 is an apocalyptic number.

421295903 is a deficient number, since it is larger than the sum of its proper divisors (60568417).

421295903 is a wasteful number, since it uses less digits than its factorization.

421295903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47917.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 421295903 is about 20525.4939770033. The cubic root of 421295903 is about 749.6566742680.

The spelling of 421295903 in words is "four hundred twenty-one million, two hundred ninety-five thousand, nine hundred three".

Divisors: 1 7 1291 9037 46619 326333 60185129 421295903