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2021373384 = 233671257073
BaseRepresentation
bin111100001111011…
…1011010111001000
312012212120101222220
41320132323113020
513114432422014
6532325014040
7101043250602
oct17036732710
95185511886
102021373384
11948015818
12484b54320
13262a1b934
14152660172
15bc6d56a9
hex787bb5c8

2021373384 has 32 divisors (see below), whose sum is σ = 5128861920. Its totient is φ = 663734016.

The previous prime is 2021373379. The next prime is 2021373439. The reversal of 2021373384 is 4833731202.

It is a super-2 number, since 2×20213733842 = 8171900715087222912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626929 + ... + 630144.

It is an arithmetic number, because the mean of its divisors is an integer number (160276935).

Almost surely, 22021373384 is an apocalyptic number.

2021373384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2021373384 is an abundant number, since it is smaller than the sum of its proper divisors (3107488536).

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

2021373384 is a wasteful number, since it uses less digits than its factorization.

2021373384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257149 (or 1257145 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 2021373384 is about 44959.6862088694. The cubic root of 2021373384 is about 1264.3932857933.

The spelling of 2021373384 in words is "two billion, twenty-one million, three hundred seventy-three thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 67 134 201 268 402 536 804 1608 1257073 2514146 3771219 5028292 7542438 10056584 15084876 30169752 84223891 168447782 252671673 336895564 505343346 673791128 1010686692 2021373384