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213364025 = 5271771719
BaseRepresentation
bin11001011011110…
…10110100111001
3112212111000102022
430231322310321
5414110122100
633101044225
75200364360
oct1455726471
9485430368
10213364025
11aa490606
125b556675
1335286104
14204a07d7
1513ae8e85
hexcb7ad39

213364025 has 24 divisors (see below), whose sum is σ = 320158080. Its totient is φ = 137698560.

The previous prime is 213364007. The next prime is 213364037. The reversal of 213364025 is 520463312.

It is not a de Polignac number, because 213364025 - 26 = 213363961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213363985 and 213364003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32885 + ... + 38834.

It is an arithmetic number, because the mean of its divisors is an integer number (13339920).

Almost surely, 2213364025 is an apocalyptic number.

213364025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213364025 is a deficient number, since it is larger than the sum of its proper divisors (106794055).

213364025 is a wasteful number, since it uses less digits than its factorization.

213364025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71753 (or 71748 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 213364025 is about 14606.9854864034. The cubic root of 213364025 is about 597.5492860379.

The spelling of 213364025 in words is "two hundred thirteen million, three hundred sixty-four thousand, twenty-five".

Divisors: 1 5 7 17 25 35 85 119 175 425 595 2975 71719 358595 502033 1219223 1792975 2510165 6096115 8534561 12550825 30480575 42672805 213364025