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420033441 = 3791772293
BaseRepresentation
bin11001000010010…
…011001110100001
31002021100220120010
4121002103032201
51330012032231
6105402435133
713260140202
oct3102231641
91067326503
10420033441
111a6109383
12b8802aa9
1369036cc9
143dadb5a9
1526d1e546
hex190933a1

420033441 has 8 divisors (see below), whose sum is σ = 567134080. Its totient is φ = 276477552.

The previous prime is 420033401. The next prime is 420033443. The reversal of 420033441 is 144330024.

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

It is not a de Polignac number, because 420033441 - 29 = 420032929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420033443) 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, 885910 + ... + 886383.

It is an arithmetic number, because the mean of its divisors is an integer number (70891760).

Almost surely, 2420033441 is an apocalyptic number.

It is an amenable number.

420033441 is a deficient number, since it is larger than the sum of its proper divisors (147100639).

420033441 is a wasteful number, since it uses less digits than its factorization.

420033441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772375.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 420033441 is about 20494.7173925380. The cubic root of 420033441 is about 748.9071140183.

Adding to 420033441 its reverse (144330024), we get a palindrome (564363465).

The spelling of 420033441 in words is "four hundred twenty million, thirty-three thousand, four hundred forty-one".

Divisors: 1 3 79 237 1772293 5316879 140011147 420033441