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213364983 = 3139756401
BaseRepresentation
bin11001011011110…
…11000011110111
3112212111001201210
430231323003313
5414110134413
633101052503
75200400226
oct1455730367
9485431653
10213364983
11aa4912a7
125b557133
1335286690
14204a0cbd
1513ae93c3
hexcb7b0f7

213364983 has 16 divisors (see below), whose sum is σ = 309534176. Its totient is φ = 129945600.

The previous prime is 213364981. The next prime is 213365021. The reversal of 213364983 is 389463312.

It is not a de Polignac number, because 213364983 - 21 = 213364981 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213364981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24418 + ... + 31983.

It is an arithmetic number, because the mean of its divisors is an integer number (19345886).

Almost surely, 2213364983 is an apocalyptic number.

213364983 is a deficient number, since it is larger than the sum of its proper divisors (96169193).

213364983 is a wasteful number, since it uses less digits than its factorization.

213364983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56514.

The product of its digits is 93312, while the sum is 39.

The square root of 213364983 is about 14607.0182788959. The cubic root of 213364983 is about 597.5501803645.

The spelling of 213364983 in words is "two hundred thirteen million, three hundred sixty-four thousand, nine hundred eighty-three".

Divisors: 1 3 13 39 97 291 1261 3783 56401 169203 733213 2199639 5470897 16412691 71121661 213364983