Search a number
-
+
213063520 = 2551331647
BaseRepresentation
bin11001011001100…
…01011101100000
3112211220202012111
430230301131200
5414021013040
633050405104
75165003305
oct1454613540
9484822174
10213063520
11aa2a585a
125b430794
13351ac3b7
14204230ac
1513a89dea
hexcb31760

213063520 has 24 divisors (see below), whose sum is σ = 503362944. Its totient is φ = 85225344.

The previous prime is 213063517. The next prime is 213063523. The reversal of 213063520 is 25360312.

It is an interprime number because it is at equal distance from previous prime (213063517) and next prime (213063523).

It is a junction number, because it is equal to n+sod(n) for n = 213063491 and 213063500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213063523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 665664 + ... + 665983.

It is an arithmetic number, because the mean of its divisors is an integer number (20973456).

Almost surely, 2213063520 is an apocalyptic number.

213063520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213063520 is an abundant number, since it is smaller than the sum of its proper divisors (290299424).

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

213063520 is a wasteful number, since it uses less digits than its factorization.

213063520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331662 (or 1331654 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 213063520 is about 14596.6955164517. The cubic root of 213063520 is about 597.2686218606.

The spelling of 213063520 in words is "two hundred thirteen million, sixty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1331647 2663294 5326588 6658235 10653176 13316470 21306352 26632940 42612704 53265880 106531760 213063520