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212310542 = 2624716993
BaseRepresentation
bin11001010011110…
…01101000001110
3112210111111022102
430221321220032
5413322414132
633022315102
75155416113
oct1451715016
9483444272
10212310542
11a9931064
125b128a92
1334ca7752
14202a890a
151398bc62
hexca79a0e

212310542 has 8 divisors (see below), whose sum is σ = 318535536. Its totient is φ = 106132032.

The previous prime is 212310533. The next prime is 212310557. The reversal of 212310542 is 245013212.

212310542 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3998 + ... + 20990.

It is an arithmetic number, because the mean of its divisors is an integer number (39816942).

Almost surely, 2212310542 is an apocalyptic number.

212310542 is a deficient number, since it is larger than the sum of its proper divisors (106224994).

212310542 is a wasteful number, since it uses less digits than its factorization.

212310542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 212310542 is about 14570.8799322484. The cubic root of 212310542 is about 596.5641981827.

Adding to 212310542 its reverse (245013212), we get a palindrome (457323754).

The spelling of 212310542 in words is "two hundred twelve million, three hundred ten thousand, five hundred forty-two".

Divisors: 1 2 6247 12494 16993 33986 106155271 212310542