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214424442 = 2333970823
BaseRepresentation
bin11001100011111…
…01101101111010
3112221110220001000
430301331231322
5414343040232
633135505430
75212402101
oct1461755572
9487426030
10214424442
11100045291
125b988276
133556798b
1420699038
1513c5827c
hexcc7db7a

214424442 has 16 divisors (see below), whose sum is σ = 476498880. Its totient is φ = 71474796.

The previous prime is 214424437. The next prime is 214424449. The reversal of 214424442 is 244424412.

214424442 is a `hidden beast` number, since 214 + 4 + 2 + 4 + 442 = 666.

It is a super-2 number, since 2×2144244422 = 91955682654022728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (214424449) 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, 1985358 + ... + 1985465.

It is an arithmetic number, because the mean of its divisors is an integer number (29781180).

Almost surely, 2214424442 is an apocalyptic number.

214424442 is an abundant number, since it is smaller than the sum of its proper divisors (262074438).

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

214424442 is a wasteful number, since it uses less digits than its factorization.

214424442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970834 (or 3970828 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 214424442 is about 14643.2387810894. The cubic root of 214424442 is about 598.5375884835.

Adding to 214424442 its reverse (244424412), we get a palindrome (458848854).

The spelling of 214424442 in words is "two hundred fourteen million, four hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 3970823 7941646 11912469 23824938 35737407 71474814 107212221 214424442