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140349404 = 221323239491
BaseRepresentation
bin10000101110110…
…00111111011100
3100210002111012002
420113120333130
5241412140104
621532101432
73322643636
oct1027307734
9323074162
10140349404
1172250648
123b004878
13231003b0
14148d5a56
15c4c501e
hex85d8fdc

140349404 has 48 divisors (see below), whose sum is σ = 277724160. Its totient is φ = 61575360.

The previous prime is 140349403. The next prime is 140349449. The reversal of 140349404 is 404943041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140349403) 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, 285599 + ... + 286089.

It is an arithmetic number, because the mean of its divisors is an integer number (5785920).

Almost surely, 2140349404 is an apocalyptic number.

It is an amenable number.

140349404 is a deficient number, since it is larger than the sum of its proper divisors (137374756).

140349404 is a wasteful number, since it uses less digits than its factorization.

140349404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 140349404 is about 11846.9153791187. The cubic root of 140349404 is about 519.6810223219.

The spelling of 140349404 in words is "one hundred forty million, three hundred forty-nine thousand, four hundred four".

Divisors: 1 2 4 13 23 26 46 52 92 239 299 478 491 598 956 982 1196 1964 3107 5497 6214 6383 10994 11293 12428 12766 21988 22586 25532 45172 71461 117349 142922 146809 234698 285844 293618 469396 587236 1525537 2699027 3051074 5398054 6102148 10796108 35087351 70174702 140349404