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242037420 = 22354033957
BaseRepresentation
bin11100110110100…
…11001010101100
3121212102202220220
432123103022230
5443430144140
640003411340
75666166312
oct1633231254
9555382826
10242037420
11114695329
1269083b50
133b1b5311
14242060b2
15163aebd0
hexe6d32ac

242037420 has 24 divisors (see below), whose sum is σ = 677704944. Its totient is φ = 64543296.

The previous prime is 242037403. The next prime is 242037427. The reversal of 242037420 is 24730242.

It is a super-2 number, since 2×2420374202 = 117164225360512800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242037427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016919 + ... + 2017038.

It is an arithmetic number, because the mean of its divisors is an integer number (28237706).

Almost surely, 2242037420 is an apocalyptic number.

242037420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242037420 is an abundant number, since it is smaller than the sum of its proper divisors (435667524).

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

242037420 is a wasteful number, since it uses less digits than its factorization.

242037420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033969 (or 4033967 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 242037420 is about 15557.5518639663. The cubic root of 242037420 is about 623.2000865411.

Adding to 242037420 its reverse (24730242), we get a palindrome (266767662).

The spelling of 242037420 in words is "two hundred forty-two million, thirty-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4033957 8067914 12101871 16135828 20169785 24203742 40339570 48407484 60509355 80679140 121018710 242037420