Search a number
-
+
140315399 = 71719229271
BaseRepresentation
bin10000101110100…
…00101100000111
3100210000202112122
420113100230013
5241410043044
621531240155
73322442540
oct1027205407
9323022478
10140315399
1172228044
123aba905b
13230baa83
14148c74c7
15c4b9dee
hex85d0b07

140315399 has 32 divisors (see below), whose sum is σ = 180172800. Its totient is φ = 106375680.

The previous prime is 140315389. The next prime is 140315419. The reversal of 140315399 is 993513041.

It is not a de Polignac number, because 140315399 - 28 = 140315143 is a prime.

It is a super-2 number, since 2×1403153992 = 39376822393058402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140315339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517634 + ... + 517904.

It is an arithmetic number, because the mean of its divisors is an integer number (5630400).

Almost surely, 2140315399 is an apocalyptic number.

140315399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

140315399 is a deficient number, since it is larger than the sum of its proper divisors (39857401).

140315399 is a wasteful number, since it uses less digits than its factorization.

140315399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 140315399 is about 11845.4801084633. The cubic root of 140315399 is about 519.6390480774.

The spelling of 140315399 in words is "one hundred forty million, three hundred fifteen thousand, three hundred ninety-nine".

Divisors: 1 7 17 19 119 133 229 271 323 1603 1897 2261 3893 4351 4607 5149 27251 30457 32249 36043 62059 73967 87533 434413 517769 612731 1055003 1179121 7385021 8253847 20045057 140315399