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420793016 = 237291132293
BaseRepresentation
bin11001000101001…
…100101010111000
31002022210111111112
4121011030222320
51330210334031
6105431015452
713266452540
oct3105145270
91068714445
10420793016
111a6588026
12b8b0a588
1369241967
143dc58320
1526e1e62b
hex1914cab8

420793016 has 64 divisors (see below), whose sum is σ = 941457600. Its totient is φ = 172505088.

The previous prime is 420793013. The next prime is 420793033. The reversal of 420793016 is 610397024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420793013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182366 + ... + 184658.

It is an arithmetic number, because the mean of its divisors is an integer number (14710275).

Almost surely, 2420793016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420793016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470728800).

420793016 is an abundant number, since it is smaller than the sum of its proper divisors (520664584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420793016 is a wasteful number, since it uses less digits than its factorization.

420793016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 420793016 is about 20513.2400171206. The cubic root of 420793016 is about 749.3582753722.

The spelling of 420793016 in words is "four hundred twenty million, seven hundred ninety-three thousand, sixteen".

Divisors: 1 2 4 7 8 14 28 29 56 58 113 116 203 226 232 406 452 791 812 904 1582 1624 2293 3164 3277 4586 6328 6554 9172 13108 16051 18344 22939 26216 32102 45878 64204 66497 91756 128408 132994 183512 259109 265988 465479 518218 531976 930958 1036436 1813763 1861916 2072872 3627526 3723832 7255052 7514161 14510104 15028322 30056644 52599127 60113288 105198254 210396508 420793016