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1234489047 = 31138397673
BaseRepresentation
bin100100110010100…
…1100111011010111
310012000220112121120
41021211030323113
510012012122142
6322255215023
742406661301
oct11145147327
93160815546
101234489047
11583922990
122a5517473
131689ab7bc
14b9d4a971
157359e7ec
hex4994ced7

1234489047 has 16 divisors (see below), whose sum is σ = 1800327168. Its totient is φ = 746214080.

The previous prime is 1234489013. The next prime is 1234489063. The reversal of 1234489047 is 7409844321.

It is a cyclic number.

It is not a de Polignac number, because 1234489047 - 219 = 1233964759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234489247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36198 + ... + 61475.

It is an arithmetic number, because the mean of its divisors is an integer number (112520448).

Almost surely, 21234489047 is an apocalyptic number.

1234489047 is a deficient number, since it is larger than the sum of its proper divisors (565838121).

1234489047 is a wasteful number, since it uses less digits than its factorization.

1234489047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98070.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1234489047 is about 35135.2963129671. The cubic root of 1234489047 is about 1072.7431425309.

The spelling of 1234489047 in words is "one billion, two hundred thirty-four million, four hundred eighty-nine thousand, forty-seven".

Divisors: 1 3 11 33 383 1149 4213 12639 97673 293019 1074403 3223209 37408759 112226277 411496349 1234489047