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213325140 = 22357507917
BaseRepresentation
bin11001011011100…
…01010101010100
3112212102001002010
430231301111110
5414102401030
633100144220
75200143120
oct1455612524
9485361063
10213325140
11aa464376
125b538070
13352714c2
1420490580
1513adc6b0
hexcb71554

213325140 has 48 divisors (see below), whose sum is σ = 682641792. Its totient is φ = 48759936.

The previous prime is 213325127. The next prime is 213325153. The reversal of 213325140 is 41523312.

213325140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213325127) and next prime (213325153).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253539 + ... + 254378.

It is an arithmetic number, because the mean of its divisors is an integer number (14221704).

Almost surely, 2213325140 is an apocalyptic number.

213325140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213325140 is an abundant number, since it is smaller than the sum of its proper divisors (469316652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213325140 is a wasteful number, since it uses less digits than its factorization.

213325140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507936 (or 507934 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 213325140 is about 14605.6543845183. The cubic root of 213325140 is about 597.5129832674.

Adding to 213325140 its reverse (41523312), we get a palindrome (254848452).

The spelling of 213325140 in words is "two hundred thirteen million, three hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 507917 1015834 1523751 2031668 2539585 3047502 3555419 5079170 6095004 7110838 7618755 10158340 10666257 14221676 15237510 17777095 21332514 30475020 35554190 42665028 53331285 71108380 106662570 213325140