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213550054 = 2419254833
BaseRepresentation
bin11001011101010…
…00001111100110
3112212211110121021
430232220033212
5414132100204
633105041354
75202100624
oct1456501746
9485743537
10213550054
11aa5a8353
125b62625a
133531c9a3
142050c514
1513b34154
hexcba83e6

213550054 has 8 divisors (see below), whose sum is σ = 321090840. Its totient is φ = 106519776.

The previous prime is 213550027. The next prime is 213550067. The reversal of 213550054 is 450055312.

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

It is a congruent number.

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, 126579 + ... + 128254.

It is an arithmetic number, because the mean of its divisors is an integer number (40136355).

Almost surely, 2213550054 is an apocalyptic number.

213550054 is a deficient number, since it is larger than the sum of its proper divisors (107540786).

213550054 is a wasteful number, since it uses less digits than its factorization.

213550054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255254.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 213550054 is about 14613.3519084432. The cubic root of 213550054 is about 597.7229004434.

The spelling of 213550054 in words is "two hundred thirteen million, five hundred fifty thousand, fifty-four".

Divisors: 1 2 419 838 254833 509666 106775027 213550054