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212714742 = 2375147207
BaseRepresentation
bin11001010110111…
…00010011110110
3112211021000202210
430223130103312
5413423332432
633035114250
75162021412
oct1453342366
9484230683
10212714742
11aa087809
125b2a2986
13350b9716
1420371d42
1513a1b8cc
hexcadc4f6

212714742 has 16 divisors (see below), whose sum is σ = 426004992. Its totient is φ = 70809000.

The previous prime is 212714669. The next prime is 212714743. The reversal of 212714742 is 247417212.

212714742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2127147422 = 90495122928253128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212714743) 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, 19098 + ... + 28109.

It is an arithmetic number, because the mean of its divisors is an integer number (26625312).

Almost surely, 2212714742 is an apocalyptic number.

212714742 is an abundant number, since it is smaller than the sum of its proper divisors (213290250).

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

212714742 is a wasteful number, since it uses less digits than its factorization.

212714742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47963.

The product of its digits is 6272, while the sum is 30.

The square root of 212714742 is about 14584.7434670617. The cubic root of 212714742 is about 596.9425408142.

The spelling of 212714742 in words is "two hundred twelve million, seven hundred fourteen thousand, seven hundred forty-two".

Divisors: 1 2 3 6 751 1502 2253 4506 47207 94414 141621 283242 35452457 70904914 106357371 212714742