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140203692 = 2232171931187
BaseRepresentation
bin10000101101101…
…01011010101100
3100202211002022100
420112311122230
5241343004232
621525015100
73321466056
oct1026653254
9322732270
10140203692
1172161122
123ab54490
132307bc85
14148988d6
15c496c7c
hex85b56ac

140203692 has 72 divisors (see below), whose sum is σ = 377513136. Its totient is φ = 43720704.

The previous prime is 140203691. The next prime is 140203697. The reversal of 140203692 is 296302041.

140203692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140203691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117523 + ... + 118709.

It is an arithmetic number, because the mean of its divisors is an integer number (5243238).

Almost surely, 2140203692 is an apocalyptic number.

140203692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140203692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188756568).

140203692 is an abundant number, since it is smaller than the sum of its proper divisors (237309444).

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

140203692 is a wasteful number, since it uses less digits than its factorization.

140203692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 140203692 is about 11840.7639956212. The cubic root of 140203692 is about 519.5011142264.

The spelling of 140203692 in words is "one hundred forty million, two hundred three thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 193 204 306 386 579 612 772 1158 1187 1737 2316 2374 3281 3474 3561 4748 6562 6948 7122 9843 10683 13124 14244 19686 20179 21366 29529 39372 40358 42732 59058 60537 80716 118116 121074 181611 229091 242148 363222 458182 687273 726444 916364 1374546 2061819 2749092 3894547 4123638 7789094 8247276 11683641 15578188 23367282 35050923 46734564 70101846 140203692