Search a number
-
+
140310 = 23251559
BaseRepresentation
bin100010010000010110
321010110200
4202100112
513442220
63001330
71123032
oct422026
9233420
10140310
1196465
1269246
134bb31
14391c2
152b890
hex22416

140310 has 24 divisors (see below), whose sum is σ = 365040. Its totient is φ = 37392.

The previous prime is 140297. The next prime is 140317. The reversal of 140310 is 13041.

It is a super-2 number, since 2×1403102 = 39373792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 140292 and 140301.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140310.

It is not an unprimeable number, because it can be changed into a prime (140317) by changing a digit.

140310 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (15210).

2140310 is an apocalyptic number.

140310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140310 is an abundant number, since it is smaller than the sum of its proper divisors (224730).

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

140310 is a wasteful number, since it uses less digits than its factorization.

140310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 140310 is about 374.5797645362. The cubic root of 140310 is about 51.9632383171.

Adding to 140310 its reverse (13041), we get a palindrome (153351).

The spelling of 140310 in words is "one hundred forty thousand, three hundred ten", and thus it is an iban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1559 3118 4677 7795 9354 14031 15590 23385 28062 46770 70155 140310