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212535430 = 2521253543
BaseRepresentation
bin11001010101100…
…00100010000110
3112210220220210121
430222300202012
5413402113210
633031212154
75160343552
oct1452604206
9483826717
10212535430
11a9a75018
125b21705a
1335055c13
1420326862
15139d36da
hexcab0886

212535430 has 8 divisors (see below), whose sum is σ = 382563792. Its totient is φ = 85014168.

The previous prime is 212535409. The next prime is 212535443. The reversal of 212535430 is 34535212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212535395 and 212535404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10626762 + ... + 10626781.

It is an arithmetic number, because the mean of its divisors is an integer number (47820474).

Almost surely, 2212535430 is an apocalyptic number.

212535430 is a deficient number, since it is larger than the sum of its proper divisors (170028362).

212535430 is a wasteful number, since it uses less digits than its factorization.

212535430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21253550.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 212535430 is about 14578.5949254378. The cubic root of 212535430 is about 596.7747589124.

The spelling of 212535430 in words is "two hundred twelve million, five hundred thirty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 21253543 42507086 106267715 212535430