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242613212 = 2278777069
BaseRepresentation
bin11100111010111…
…11101111011100
3121220112000202112
432131133233130
5444102110322
640024013152
76004115102
oct1635375734
9556460675
10242613212
11114a48996
12693011b8
133b35741a
1424315c72
15164755e2
hexe75fbdc

242613212 has 12 divisors (see below), whose sum is σ = 425118120. Its totient is φ = 121150896.

The previous prime is 242613209. The next prime is 242613227. The reversal of 242613212 is 212316242.

It is a happy number.

It is a super-2 number, since 2×2426132122 = 117722341273913888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35387 + ... + 41682.

It is an arithmetic number, because the mean of its divisors is an integer number (35426510).

Almost surely, 2242613212 is an apocalyptic number.

It is an amenable number.

242613212 is a deficient number, since it is larger than the sum of its proper divisors (182504908).

242613212 is a wasteful number, since it uses less digits than its factorization.

242613212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77860 (or 77858 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 242613212 is about 15576.0460964906. The cubic root of 242613212 is about 623.6938799554.

Adding to 242613212 its reverse (212316242), we get a palindrome (454929454).

The spelling of 242613212 in words is "two hundred forty-two million, six hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 787 1574 3148 77069 154138 308276 60653303 121306606 242613212