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420737024 = 212591741
BaseRepresentation
bin11001000100111…
…111000000000000
31002022200122200202
4121010333000000
51330202041044
6105425504332
713266130361
oct3104770000
91068618622
10420737024
111a6549a54
12b8aa20a8
1369222326
143dc41b68
1526e0cc4e
hex1913f000

420737024 has 52 divisors (see below), whose sum is σ = 856123320. Its totient is φ = 206684160.

The previous prime is 420737011. The next prime is 420737041.

420737024 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240794 + ... + 242534.

It is an arithmetic number, because the mean of its divisors is an integer number (16463910).

Almost surely, 2420737024 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 420737024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428061660).

420737024 is an abundant number, since it is smaller than the sum of its proper divisors (435386296).

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

420737024 is an equidigital number, since it uses as much as digits as its factorization.

420737024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 420737024 is about 20511.8751946281. The cubic root of 420737024 is about 749.3250366000.

The spelling of 420737024 in words is "four hundred twenty million, seven hundred thirty-seven thousand, twenty-four".

Divisors: 1 2 4 8 16 32 59 64 118 128 236 256 472 512 944 1024 1741 1888 2048 3482 3776 4096 6964 7552 13928 15104 27856 30208 55712 60416 102719 111424 120832 205438 222848 241664 410876 445696 821752 891392 1643504 1782784 3287008 3565568 6574016 7131136 13148032 26296064 52592128 105184256 210368512 420737024