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212553242 = 2119661511
BaseRepresentation
bin11001010101101…
…00111000011010
3112210221211020022
430222310320122
5413403200432
633031430442
75160446516
oct1452647032
9483854208
10212553242
11a9a87440
125b225422
1335061065
142032d146
15139d8b12
hexcab4e1a

212553242 has 8 divisors (see below), whose sum is σ = 347814432. Its totient is φ = 96615100.

The previous prime is 212553241. The next prime is 212553269. The reversal of 212553242 is 242355212.

212553242 is digitally balanced in base 2, because in such base 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.

It is not an unprimeable number, because it can be changed into a prime (212553241) 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, 4830734 + ... + 4830777.

It is an arithmetic number, because the mean of its divisors is an integer number (43476804).

Almost surely, 2212553242 is an apocalyptic number.

212553242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212553242 is a deficient number, since it is larger than the sum of its proper divisors (135261190).

212553242 is a wasteful number, since it uses less digits than its factorization.

212553242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661524.

The product of its digits is 4800, while the sum is 26.

The square root of 212553242 is about 14579.2058082736. The cubic root of 212553242 is about 596.7914297879.

The spelling of 212553242 in words is "two hundred twelve million, five hundred fifty-three thousand, two hundred forty-two".

Divisors: 1 2 11 22 9661511 19323022 106276621 212553242