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1142926278 = 2313107136943
BaseRepresentation
bin100010000011111…
…1010101111000110
32221122121200002220
41010013322233012
54320042120103
6305224513210
740215466404
oct10407725706
92848550086
101142926278
1153717447a
1227a91b806
13152a30450
14abb14474
156a514c53
hex441fabc6

1142926278 has 32 divisors (see below), whose sum is σ = 2484711936. Its totient is φ = 348380448.

The previous prime is 1142926273. The next prime is 1142926289. The reversal of 1142926278 is 8726292411.

1142926278 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142926271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60126 + ... + 76817.

It is an arithmetic number, because the mean of its divisors is an integer number (77647248).

Almost surely, 21142926278 is an apocalyptic number.

1142926278 is an abundant number, since it is smaller than the sum of its proper divisors (1341785658).

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

1142926278 is a wasteful number, since it uses less digits than its factorization.

1142926278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137068.

The product of its digits is 96768, while the sum is 42.

The square root of 1142926278 is about 33807.1926962296. The cubic root of 1142926278 is about 1045.5369989429.

The spelling of 1142926278 in words is "one billion, one hundred forty-two million, nine hundred twenty-six thousand, two hundred seventy-eight".

Divisors: 1 2 3 6 13 26 39 78 107 214 321 642 1391 2782 4173 8346 136943 273886 410829 821658 1780259 3560518 5340777 10681554 14652901 29305802 43958703 87917406 190487713 380975426 571463139 1142926278