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242231241 = 3731607613
BaseRepresentation
bin11100111000000…
…10011111001001
3121212210121210110
432130002133021
5444002344431
640011504533
76000634350
oct1634023711
9555717713
10242231241
11114807a0a
1269158149
133b2525c5
1424256997
15163ec346
hexe7027c9

242231241 has 32 divisors (see below), whose sum is σ = 382271488. Its totient is φ = 133513920.

The previous prime is 242231221. The next prime is 242231243. The reversal of 242231241 is 142132242.

242231241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242231241 - 210 = 242230217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242231243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394851 + ... + 395463.

It is an arithmetic number, because the mean of its divisors is an integer number (11945984).

Almost surely, 2242231241 is an apocalyptic number.

242231241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

242231241 is a deficient number, since it is larger than the sum of its proper divisors (140040247).

242231241 is a wasteful number, since it uses less digits than its factorization.

242231241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its digits is 768, while the sum is 21.

The square root of 242231241 is about 15563.7797787041. The cubic root of 242231241 is about 623.3663928310.

Adding to 242231241 its reverse (142132242), we get a palindrome (384363483).

The spelling of 242231241 in words is "two hundred forty-two million, two hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 3 7 21 31 93 217 607 613 651 1821 1839 4249 4291 12747 12873 18817 19003 56451 57009 131719 133021 372091 395157 399063 1116273 2604637 7813911 11534821 34604463 80743747 242231241