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213472055 = 5375092267
BaseRepresentation
bin11001011100101…
…01001100110111
3112212200111121102
430232111030313
5414122101210
633103240315
75201324336
oct1456251467
9485614542
10213472055
11aa554795
125b5a909b
13352c3334
14204cbd1d
1513b1aea5
hexcb95337

213472055 has 16 divisors (see below), whose sum is σ = 263723040. Its totient is φ = 165762432.

The previous prime is 213472033. The next prime is 213472057. The reversal of 213472055 is 550274312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213472055 - 26 = 213471991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213472057) 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, 93032 + ... + 95298.

It is an arithmetic number, because the mean of its divisors is an integer number (16482690).

Almost surely, 2213472055 is an apocalyptic number.

213472055 is a deficient number, since it is larger than the sum of its proper divisors (50250985).

213472055 is a wasteful number, since it uses less digits than its factorization.

213472055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 213472055 is about 14610.6829066954. The cubic root of 213472055 is about 597.6501189651.

The spelling of 213472055 in words is "two hundred thirteen million, four hundred seventy-two thousand, fifty-five".

Divisors: 1 5 37 185 509 2267 2545 11335 18833 83879 94165 419395 1153903 5769515 42694411 213472055