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420292800 = 2635522347
BaseRepresentation
bin11001000011010…
…010100011000000
31002021212002100000
4121003102203000
51330043332200
6105412200000
713262300304
oct3103224300
91067762300
10420292800
111a6276224
12b8909000
13690c8085
143db67d04
1526d71300
hex190d28c0

420292800 has 504 divisors, whose sum is σ = 1650894336. Its totient is φ = 104924160.

The previous prime is 420292781. The next prime is 420292811. The reversal of 420292800 is 8292024.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8942377 + ... + 8942423.

It is an arithmetic number, because the mean of its divisors is an integer number (3275584).

Almost surely, 2420292800 is an apocalyptic number.

420292800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420292800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825447168).

420292800 is an abundant number, since it is smaller than the sum of its proper divisors (1230601536).

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

420292800 is a wasteful number, since it uses less digits than its factorization.

420292800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 420292800 is about 20501.0438758615. The cubic root of 420292800 is about 749.0612254267.

The spelling of 420292800 in words is "four hundred twenty million, two hundred ninety-two thousand, eight hundred".