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213233322 = 23231545169
BaseRepresentation
bin11001011010110…
…10111010101010
3112212020101010110
430231122322222
5414041431242
633054155150
75166311331
oct1455327252
9485211113
10213233322
11aa401395
125b4b2ab6
133523b783
1420468d18
1513ac039c
hexcb5aeaa

213233322 has 16 divisors (see below), whose sum is σ = 445008960. Its totient is φ = 67987392.

The previous prime is 213233303. The next prime is 213233323. The reversal of 213233322 is 223332312.

It is a super-2 number, since 2×2132333222 = 90936899222311368, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (213233323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772447 + ... + 772722.

It is an arithmetic number, because the mean of its divisors is an integer number (27813060).

Almost surely, 2213233322 is an apocalyptic number.

213233322 is an abundant number, since it is smaller than the sum of its proper divisors (231775638).

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

213233322 is a wasteful number, since it uses less digits than its factorization.

213233322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545197.

The product of its digits is 1296, while the sum is 21.

The square root of 213233322 is about 14602.5108115009. The cubic root of 213233322 is about 597.4272450993.

Adding to 213233322 its reverse (223332312), we get a palindrome (436565634).

The spelling of 213233322 in words is "two hundred thirteen million, two hundred thirty-three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 1545169 3090338 4635507 9271014 35538887 71077774 106616661 213233322