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421353533 = 10316325097
BaseRepresentation
bin11001000111010…
…101100000111101
31002100211222101102
4121013111200331
51330331303113
6105451022445
713304305646
oct3107254075
91070758342
10421353533
111a6930167
12b913aa25
13693a9b23
143dd626cd
1526ed0758
hex191d583d

421353533 has 8 divisors (see below), whose sum is σ = 428071488. Its totient is φ = 414686304.

The previous prime is 421353529. The next prime is 421353563. The reversal of 421353533 is 335353124.

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 421353533 - 22 = 421353529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421353496 and 421353505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421353563) 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, 4241 + ... + 29337.

It is an arithmetic number, because the mean of its divisors is an integer number (53508936).

Almost surely, 2421353533 is an apocalyptic number.

It is an amenable number.

421353533 is a deficient number, since it is larger than the sum of its proper divisors (6717955).

421353533 is a wasteful number, since it uses less digits than its factorization.

421353533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25363.

The product of its digits is 16200, while the sum is 29.

The square root of 421353533 is about 20526.8977928960. The cubic root of 421353533 is about 749.6908551086.

The spelling of 421353533 in words is "four hundred twenty-one million, three hundred fifty-three thousand, five hundred thirty-three".

Divisors: 1 103 163 16789 25097 2584991 4090811 421353533