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421229038 = 2239299857
BaseRepresentation
bin11001000110110…
…111000111101110
31002100121122121111
4121012313013232
51330313312123
6105444222234
713303246666
oct3106670756
91070548544
10421229038
111a685567a
12b909a97a
1369365269
143dd2d1a6
1526ea890d
hex191b71ee

421229038 has 16 divisors (see below), whose sum is σ = 660091680. Its totient is φ = 201220096.

The previous prime is 421229033. The next prime is 421229051. The reversal of 421229038 is 830922124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421229033) 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, 37806 + ... + 47662.

It is an arithmetic number, because the mean of its divisors is an integer number (41255730).

Almost surely, 2421229038 is an apocalyptic number.

421229038 is a deficient number, since it is larger than the sum of its proper divisors (238862642).

421229038 is a wasteful number, since it uses less digits than its factorization.

421229038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 421229038 is about 20523.8650843354. The cubic root of 421229038 is about 749.6170121641.

The spelling of 421229038 in words is "four hundred twenty-one million, two hundred twenty-nine thousand, thirty-eight".

Divisors: 1 2 23 46 929 1858 9857 19714 21367 42734 226711 453422 9157153 18314306 210614519 421229038