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212250494 = 243592709
BaseRepresentation
bin11001010011010…
…10111101111110
3112210101102221102
430221222331332
5413314003434
633021133102
75155046051
oct1451527576
9483342842
10212250494
11a989aa35
125b0ba192
1334c86311
1420290a98
151397907e
hexca6af7e

212250494 has 24 divisors (see below), whose sum is σ = 331862520. Its totient is φ = 101756592.

The previous prime is 212250473. The next prime is 212250497. The reversal of 212250494 is 494052212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212250497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299012 + ... + 299720.

It is an arithmetic number, because the mean of its divisors is an integer number (13827605).

Almost surely, 2212250494 is an apocalyptic number.

212250494 is a deficient number, since it is larger than the sum of its proper divisors (119612026).

212250494 is an equidigital number, since it uses as much as digits as its factorization.

212250494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 212250494 is about 14568.8192383597. The cubic root of 212250494 is about 596.5079505993.

The spelling of 212250494 in words is "two hundred twelve million, two hundred fifty thousand, four hundred ninety-four".

Divisors: 1 2 43 59 86 118 709 1418 2537 3481 5074 6962 30487 41831 60974 83662 149683 299366 1798733 2468029 3597466 4936058 106125247 212250494