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140342202 = 232711137789
BaseRepresentation
bin10000101110101…
…11001110111010
3100210002010022100
420113113032322
5241411422302
621532004230
73322613640
oct1027271672
9323063270
10140342202
11722461a0
123b000676
13230ca030
14148d3190
15c4c2d1c
hex85d73ba

140342202 has 96 divisors (see below), whose sum is σ = 408320640. Its totient is φ = 33644160.

The previous prime is 140342201. The next prime is 140342207. The reversal of 140342202 is 202243041.

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

It is not an unprimeable number, because it can be changed into a prime (140342201) 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, 14124 + ... + 21912.

It is an arithmetic number, because the mean of its divisors is an integer number (4253340).

Almost surely, 2140342202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140342202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204160320).

140342202 is an abundant number, since it is smaller than the sum of its proper divisors (267978438).

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

140342202 is a wasteful number, since it uses less digits than its factorization.

140342202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828 (or 7825 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 140342202 is about 11846.6114142399. The cubic root of 140342202 is about 519.6721330626.

Adding to 140342202 its reverse (202243041), we get a palindrome (342585243).

The spelling of 140342202 in words is "one hundred forty million, three hundred forty-two thousand, two hundred two".

Divisors: 1 2 3 6 7 9 11 13 14 18 21 22 26 33 39 42 63 66 77 78 91 99 117 126 143 154 182 198 231 234 273 286 429 462 546 693 819 858 1001 1287 1386 1638 2002 2574 3003 6006 7789 9009 15578 18018 23367 46734 54523 70101 85679 101257 109046 140202 163569 171358 202514 257037 303771 327138 490707 514074 599753 607542 708799 771111 911313 981414 1113827 1199506 1417598 1542222 1799259 1822626 2126397 2227654 3341481 3598518 4252794 5397777 6379191 6682962 7796789 10024443 10795554 12758382 15593578 20048886 23390367 46780734 70171101 140342202