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424020443 = 71117323927
BaseRepresentation
bin11001010001100…
…000100111011011
31002112212110200212
4121101200213123
51332022123233
6110024121335
713336054130
oct3121404733
91075773625
10424020443
111a8391920
12ba00624b
1369b01992
1440458587
152735aa48
hex194609db

424020443 has 16 divisors (see below), whose sum is σ = 559747584. Its totient is φ = 310968960.

The previous prime is 424020437. The next prime is 424020469. The reversal of 424020443 is 344020424.

It is a cyclic number.

It is not a de Polignac number, because 424020443 - 210 = 424019419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424020143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160655 + ... + 163272.

It is an arithmetic number, because the mean of its divisors is an integer number (34984224).

Almost surely, 2424020443 is an apocalyptic number.

424020443 is a deficient number, since it is larger than the sum of its proper divisors (135727141).

424020443 is a wasteful number, since it uses less digits than its factorization.

424020443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323962.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 424020443 is about 20591.7566759128. The cubic root of 424020443 is about 751.2692245102.

Adding to 424020443 its reverse (344020424), we get a palindrome (768040867).

The spelling of 424020443 in words is "four hundred twenty-four million, twenty thousand, four hundred forty-three".

Divisors: 1 7 11 17 77 119 187 1309 323927 2267489 3563197 5506759 24942379 38547313 60574349 424020443