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242406426 = 2340401071
BaseRepresentation
bin11100111001011…
…01010000011010
3121220010112002210
432130231100122
5444024001201
640015335550
76002264163
oct1634552032
9556115083
10242406426
11114917599
12692215b6
133b2b4272
14242a076a
15164341d6
hexe72d41a

242406426 has 8 divisors (see below), whose sum is σ = 484812864. Its totient is φ = 80802140.

The previous prime is 242406421. The next prime is 242406433. The reversal of 242406426 is 624604242.

242406426 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

242406426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 242406393 and 242406402.

It is not an unprimeable number, because it can be changed into a prime (242406421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20200530 + ... + 20200541.

It is an arithmetic number, because the mean of its divisors is an integer number (60601608).

Almost surely, 2242406426 is an apocalyptic number.

242406426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242406426 is a wasteful number, since it uses less digits than its factorization.

242406426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40401076.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 242406426 is about 15569.4067324352. The cubic root of 242406426 is about 623.5166323647.

The spelling of 242406426 in words is "two hundred forty-two million, four hundred six thousand, four hundred twenty-six".

Divisors: 1 2 3 6 40401071 80802142 121203213 242406426