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213233032 = 2326654129
BaseRepresentation
bin11001011010110…
…10110110001000
3112212020100201201
430231122312020
5414041424112
633054153544
75166310435
oct1455326610
9485210651
10213233032
11aa401151
125b4b28b4
133523b5bc
1420468b8c
1513ac0257
hexcb5ad88

213233032 has 8 divisors (see below), whose sum is σ = 399811950. Its totient is φ = 106616512.

The previous prime is 213233017. The next prime is 213233039. The reversal of 213233032 is 230332312.

It is a happy number.

213233032 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 212751396 + 481636 = 14586^2 + 694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (213233039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13327057 + ... + 13327072.

Almost surely, 2213233032 is an apocalyptic number.

It is an amenable number.

213233032 is a deficient number, since it is larger than the sum of its proper divisors (186578918).

213233032 is a wasteful number, since it uses less digits than its factorization.

213233032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26654135 (or 26654131 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 213233032 is about 14602.5008816983. The cubic root of 213233032 is about 597.4269742630.

Adding to 213233032 its reverse (230332312), we get a palindrome (443565344).

The spelling of 213233032 in words is "two hundred thirteen million, two hundred thirty-three thousand, thirty-two".

Divisors: 1 2 4 8 26654129 53308258 106616516 213233032