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1220052234 = 231671217617
BaseRepresentation
bin100100010111000…
…1000010100001010
310011000202002000210
41020232020110022
54444313132414
6321021541550
742143162412
oct11056102412
93130662023
101220052234
11576762335
122a07148b6
131659c55cb
14b806d642
157219be59
hex48b8850a

1220052234 has 16 divisors (see below), whose sum is σ = 2454717888. Its totient is φ = 404248512.

The previous prime is 1220052203. The next prime is 1220052257. The reversal of 1220052234 is 4322500221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220052234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607807 + ... + 609810.

It is an arithmetic number, because the mean of its divisors is an integer number (153419868).

Almost surely, 21220052234 is an apocalyptic number.

1220052234 is an abundant number, since it is smaller than the sum of its proper divisors (1234665654).

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

1220052234 is a wasteful number, since it uses less digits than its factorization.

1220052234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217789.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1220052234 is about 34929.2461126776. The cubic root of 1220052234 is about 1068.5449795438.

Adding to 1220052234 its reverse (4322500221), we get a palindrome (5542552455).

The spelling of 1220052234 in words is "one billion, two hundred twenty million, fifty-two thousand, two hundred thirty-four".

Divisors: 1 2 3 6 167 334 501 1002 1217617 2435234 3652851 7305702 203342039 406684078 610026117 1220052234