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1220334342 = 23203389057
BaseRepresentation
bin100100010111100…
…1101001100000110
310011001021102000020
41020233031030012
54444401144332
6321032000010
742145446033
oct11057151406
93131242006
101220334342
11576935287
122a0830006
13165a93b36
14b810438a
157220582c
hex48bcd306

1220334342 has 8 divisors (see below), whose sum is σ = 2440668696. Its totient is φ = 406778112.

The previous prime is 1220334329. The next prime is 1220334343. The reversal of 1220334342 is 2434330221.

It is a sphenic number, since it is the product of 3 distinct primes.

1220334342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220334343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101694523 + ... + 101694534.

It is an arithmetic number, because the mean of its divisors is an integer number (305083587).

Almost surely, 21220334342 is an apocalyptic number.

1220334342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1220334342 is a wasteful number, since it uses less digits than its factorization.

1220334342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203389062.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1220334342 is about 34933.2841570901. The cubic root of 1220334342 is about 1068.6273317163.

Adding to 1220334342 its reverse (2434330221), we get a palindrome (3654664563).

The spelling of 1220334342 in words is "one billion, two hundred twenty million, three hundred thirty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 203389057 406778114 610167171 1220334342