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1220334042 = 231731175659
BaseRepresentation
bin100100010111100…
…1101000111011010
310011001021101121010
41020233031013122
54444401142132
6321031554350
742145445124
oct11057150732
93131241533
101220334042
11576935034
122a082b9b6
13165a93965
14b8104214
15722056cc
hex48bcd1da

1220334042 has 16 divisors (see below), whose sum is σ = 2454778080. Its totient is φ = 404426352.

The previous prime is 1220334019. The next prime is 1220334043. The reversal of 1220334042 is 2404330221.

1220334042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1220334043) 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, 586792 + ... + 588867.

It is an arithmetic number, because the mean of its divisors is an integer number (153423630).

Almost surely, 21220334042 is an apocalyptic number.

1220334042 is an abundant number, since it is smaller than the sum of its proper divisors (1234444038).

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

1220334042 is a wasteful number, since it uses less digits than its factorization.

1220334042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175837.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1220334042 is about 34933.2798631906. The cubic root of 1220334042 is about 1068.6272441479.

Adding to 1220334042 its reverse (2404330221), we get a palindrome (3624664263).

The spelling of 1220334042 in words is "one billion, two hundred twenty million, three hundred thirty-four thousand, forty-two".

Divisors: 1 2 3 6 173 346 519 1038 1175659 2351318 3526977 7053954 203389007 406778014 610167021 1220334042