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55213202 = 21119235743
BaseRepresentation
bin1101001010011…
…1110010010010
310211220010021102
43102213302102
5103113310302
65251224402
71240206302
oct322476222
9124803242
1055213202
1129191550
12165a8102
13b592245
147493602
154ca9702
hex34a7c92

55213202 has 32 divisors (see below), whose sum is σ = 99256320. Its totient is φ = 22738320.

The previous prime is 55213199. The next prime is 55213211. The reversal of 55213202 is 20231255.

55213202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6743 + ... + 12485.

It is an arithmetic number, because the mean of its divisors is an integer number (3101760).

Almost surely, 255213202 is an apocalyptic number.

55213202 is a deficient number, since it is larger than the sum of its proper divisors (44043118).

55213202 is a wasteful number, since it uses less digits than its factorization.

55213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55213202 is about 7430.5586600201. The cubic root of 55213202 is about 380.7860046598.

Adding to 55213202 its reverse (20231255), we get a palindrome (75444457).

The spelling of 55213202 in words is "fifty-five million, two hundred thirteen thousand, two hundred two".

Divisors: 1 2 11 19 22 23 38 46 209 253 418 437 506 874 4807 5743 9614 11486 63173 109117 126346 132089 218234 264178 1200287 1452979 2400574 2509691 2905958 5019382 27606601 55213202