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212630410 = 2521263041
BaseRepresentation
bin11001010110001…
…11101110001010
3112211002202002101
430223013232022
5413413133120
633033224014
75161220506
oct1453075612
9484082071
10212630410
11aa02a413
125b26200a
133508a215
142034d306
1513a0190a
hexcac7b8a

212630410 has 8 divisors (see below), whose sum is σ = 382734756. Its totient is φ = 85052160.

The previous prime is 212630401. The next prime is 212630459. The reversal of 212630410 is 14036212.

212630410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 199402641 + 13227769 = 14121^2 + 3637^2 .

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

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, 10631511 + ... + 10631530.

Almost surely, 2212630410 is an apocalyptic number.

212630410 is a deficient number, since it is larger than the sum of its proper divisors (170104346).

212630410 is a wasteful number, since it uses less digits than its factorization.

212630410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21263048.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 212630410 is about 14581.8520771540. The cubic root of 212630410 is about 596.8636432696.

Adding to 212630410 its reverse (14036212), we get a palindrome (226666622).

The spelling of 212630410 in words is "two hundred twelve million, six hundred thirty thousand, four hundred ten".

Divisors: 1 2 5 10 21263041 42526082 106315205 212630410