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230213862 = 23212789659
BaseRepresentation
bin11011011100011…
…00100011100110
3121001012002001100
431232030203212
5432413320422
634502140530
75463533304
oct1556144346
9531162040
10230213862
11108a4a09a
1265121746
1338905728
1422809274
15153267ac
hexdb8c8e6

230213862 has 12 divisors (see below), whose sum is σ = 498796740. Its totient is φ = 76737948.

The previous prime is 230213857. The next prime is 230213891. The reversal of 230213862 is 268312032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6394812 + ... + 6394847.

It is an arithmetic number, because the mean of its divisors is an integer number (41566395).

Almost surely, 2230213862 is an apocalyptic number.

230213862 is an abundant number, since it is smaller than the sum of its proper divisors (268582878).

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

230213862 is a wasteful number, since it uses less digits than its factorization.

230213862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789667 (or 12789664 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 230213862 is about 15172.8000711800. The cubic root of 230213862 is about 612.8824096478.

Adding to 230213862 its reverse (268312032), we get a palindrome (498525894).

The spelling of 230213862 in words is "two hundred thirty million, two hundred thirteen thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 9 18 12789659 25579318 38368977 76737954 115106931 230213862