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1402202142 = 2321129594139
BaseRepresentation
bin101001110010011…
…1110100000011110
310121201111020201200
41103210332200132
510332430432032
6351050020330
746514343615
oct12344764036
93551436650
101402202142
1165a563250
123317176a6
1319466cc13
14d432687c
158317c47c
hex5393e81e

1402202142 has 96 divisors (see below), whose sum is σ = 3487536000. Its totient is φ = 403206720.

The previous prime is 1402202141. The next prime is 1402202149. The reversal of 1402202142 is 2412022041.

1402202142 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402202141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336709 + ... + 340847.

It is an arithmetic number, because the mean of its divisors is an integer number (36328500).

Almost surely, 21402202142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402202142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743768000).

1402202142 is an abundant number, since it is smaller than the sum of its proper divisors (2085333858).

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

1402202142 is a wasteful number, since it uses less digits than its factorization.

1402202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4243 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1402202142 is about 37445.9896651163. The cubic root of 1402202142 is about 1119.2751852634.

Adding to 1402202142 its reverse (2412022041), we get a palindrome (3814224183).

The spelling of 1402202142 in words is "one billion, four hundred two million, two hundred two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 29 33 58 59 66 87 99 118 174 177 198 261 319 354 522 531 638 649 957 1062 1298 1711 1914 1947 2871 3422 3894 4139 5133 5742 5841 8278 10266 11682 12417 15399 18821 24834 30798 37251 37642 45529 56463 74502 91058 112926 120031 136587 169389 240062 244201 273174 338778 360093 409761 488402 720186 732603 819522 1080279 1320341 1465206 2160558 2197809 2640682 2686211 3961023 4395618 5372422 7081829 7922046 8058633 11883069 14163658 16117266 21245487 23766138 24175899 42490974 48351798 63736461 77900119 127472922 155800238 233700357 467400714 701101071 1402202142