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212716472 = 2326589559
BaseRepresentation
bin11001010110111…
…00101110111000
3112211021010010212
430223130232320
5413423411342
633035130252
75162026433
oct1453345670
9484233125
10212716472
11aa089041
125b2a3988
13350ba447
142037281a
1513a1c182
hexcadcbb8

212716472 has 8 divisors (see below), whose sum is σ = 398843400. Its totient is φ = 106358232.

The previous prime is 212716447. The next prime is 212716477. The reversal of 212716472 is 274617212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212716477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13294772 + ... + 13294787.

It is an arithmetic number, because the mean of its divisors is an integer number (49855425).

Almost surely, 2212716472 is an apocalyptic number.

It is an amenable number.

212716472 is a deficient number, since it is larger than the sum of its proper divisors (186126928).

212716472 is a wasteful number, since it uses less digits than its factorization.

212716472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26589565 (or 26589561 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 212716472 is about 14584.8027754920. The cubic root of 212716472 is about 596.9441591126.

The spelling of 212716472 in words is "two hundred twelve million, seven hundred sixteen thousand, four hundred seventy-two".

Divisors: 1 2 4 8 26589559 53179118 106358236 212716472