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212685702 = 23157225781
BaseRepresentation
bin11001010110101…
…01001110000110
3112211012112221020
430223111032012
5413421420302
633034332010
75161540635
oct1453251606
9484175836
10212685702
11aa067a09
125b28a006
13350a9438
142036551c
1513a12ebc
hexcad5386

212685702 has 16 divisors (see below), whose sum is σ = 428082672. Its totient is φ = 70443360.

The previous prime is 212685701. The next prime is 212685713. The reversal of 212685702 is 207586212.

212685702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212685701) 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, 111949 + ... + 113832.

It is an arithmetic number, because the mean of its divisors is an integer number (26755167).

Almost surely, 2212685702 is an apocalyptic number.

212685702 is an abundant number, since it is smaller than the sum of its proper divisors (215396970).

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

212685702 is a wasteful number, since it uses less digits than its factorization.

212685702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225943.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 212685702 is about 14583.7478722035. The cubic root of 212685702 is about 596.9153745411.

The spelling of 212685702 in words is "two hundred twelve million, six hundred eighty-five thousand, seven hundred two".

Divisors: 1 2 3 6 157 314 471 942 225781 451562 677343 1354686 35447617 70895234 106342851 212685702