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212462330 = 2541950707
BaseRepresentation
bin11001010100111…
…10101011111010
3112210210012112012
430222132223322
5413342243310
633025445522
75156620463
oct1452365372
9483705465
10212462330
11a9a25103
125b1a08a2
133502b872
1420307d6a
15139bbc05
hexca9eafa

212462330 has 16 divisors (see below), whose sum is σ = 383352480. Its totient is φ = 84780432.

The previous prime is 212462309. The next prime is 212462347. The reversal of 212462330 is 33264212.

It is a junction number, because it is equal to n+sod(n) for n = 212462296 and 212462305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21164 + ... + 29543.

It is an arithmetic number, because the mean of its divisors is an integer number (23959530).

Almost surely, 2212462330 is an apocalyptic number.

212462330 is a deficient number, since it is larger than the sum of its proper divisors (170890150).

212462330 is a wasteful number, since it uses less digits than its factorization.

212462330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51133.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 212462330 is about 14576.0876095062. The cubic root of 212462330 is about 596.7063323019.

The spelling of 212462330 in words is "two hundred twelve million, four hundred sixty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 419 838 2095 4190 50707 101414 253535 507070 21246233 42492466 106231165 212462330