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242661934 = 2121330967
BaseRepresentation
bin11100111011010…
…11101000101110
3121220121111121001
432131223220232
5444110140214
640025030514
76004410124
oct1635535056
9556544531
10242661934
11114a81559
126932543a
133b373658
1424329914
1516484c74
hexe76ba2e

242661934 has 4 divisors (see below), whose sum is σ = 363992904. Its totient is φ = 121330966.

The previous prime is 242661929. The next prime is 242661949. The reversal of 242661934 is 439166242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439166242 = 2219583121.

It is a junction number, because it is equal to n+sod(n) for n = 242661893 and 242661902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665482 + ... + 60665485.

It is an arithmetic number, because the mean of its divisors is an integer number (90998226).

Almost surely, 2242661934 is an apocalyptic number.

242661934 is a deficient number, since it is larger than the sum of its proper divisors (121330970).

242661934 is a wasteful number, since it uses less digits than its factorization.

242661934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121330969.

The product of its digits is 62208, while the sum is 37.

The square root of 242661934 is about 15577.6100220798. The cubic root of 242661934 is about 623.7356275847.

The spelling of 242661934 in words is "two hundred forty-two million, six hundred sixty-one thousand, nine hundred thirty-four".

Divisors: 1 2 121330967 242661934