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213338542 = 2176274663
BaseRepresentation
bin11001011011101…
…00100110101110
3112212102201110111
430231310212232
5414103313132
633100330234
75200230154
oct1455644656
9485381414
10213338542
11aa47344a
125b54397a
1335277631
14204953d4
1513ae1647
hexcb749ae

213338542 has 8 divisors (see below), whose sum is σ = 338831856. Its totient is φ = 100394592.

The previous prime is 213338509. The next prime is 213338549. The reversal of 213338542 is 245833312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213338549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3137298 + ... + 3137365.

It is an arithmetic number, because the mean of its divisors is an integer number (42353982).

Almost surely, 2213338542 is an apocalyptic number.

213338542 is a deficient number, since it is larger than the sum of its proper divisors (125493314).

213338542 is a wasteful number, since it uses less digits than its factorization.

213338542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274682.

The product of its digits is 17280, while the sum is 31.

The square root of 213338542 is about 14606.1131722303. The cubic root of 213338542 is about 597.5254957813.

The spelling of 213338542 in words is "two hundred thirteen million, three hundred thirty-eight thousand, five hundred forty-two".

Divisors: 1 2 17 34 6274663 12549326 106669271 213338542