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420441133 = 7157382567
BaseRepresentation
bin11001000011110…
…110110000101101
31002022010121210211
4121003312300231
51330113104013
6105415302421
713263455620
oct3103666055
91068117724
10420441133
111a6367712
12b897aa11
136914a748
143dba5db7
1526da023d
hex190f6c2d

420441133 has 8 divisors (see below), whose sum is σ = 483565952. Its totient is φ = 358081776.

The previous prime is 420441089. The next prime is 420441149. The reversal of 420441133 is 331144024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-420441133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420441163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190185 + ... + 192382.

It is an arithmetic number, because the mean of its divisors is an integer number (60445744).

Almost surely, 2420441133 is an apocalyptic number.

It is an amenable number.

420441133 is a deficient number, since it is larger than the sum of its proper divisors (63124819).

420441133 is a wasteful number, since it uses less digits than its factorization.

420441133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382731.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 420441133 is about 20504.6612505547. The cubic root of 420441133 is about 749.1493365641.

Adding to 420441133 its reverse (331144024), we get a palindrome (751585157).

The spelling of 420441133 in words is "four hundred twenty million, four hundred forty-one thousand, one hundred thirty-three".

Divisors: 1 7 157 1099 382567 2677969 60063019 420441133