Search a number
-
+
140326460 = 22531239947
BaseRepresentation
bin10000101110100…
…11011000111100
3100210001022201022
420113103120330
5241410421320
621531403312
73322520021
oct1027233074
9323038638
10140326460
117223538a
123abb3538
13230c2b11
14148cb548
15c4bd325
hex85d363c

140326460 has 48 divisors (see below), whose sum is σ = 305786880. Its totient is φ = 54035520.

The previous prime is 140326441. The next prime is 140326469. The reversal of 140326460 is 64623041.

140326460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1403264602 = 39383030752263200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140326469) 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, 147707 + ... + 148653.

It is an arithmetic number, because the mean of its divisors is an integer number (6370560).

Almost surely, 2140326460 is an apocalyptic number.

140326460 is a gapful number since it is divisible by the number (10) 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 140326460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152893440).

140326460 is an abundant number, since it is smaller than the sum of its proper divisors (165460420).

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

140326460 is a wasteful number, since it uses less digits than its factorization.

140326460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 140326460 is about 11845.9469862059. The cubic root of 140326460 is about 519.6527020231.

The spelling of 140326460 in words is "one hundred forty million, three hundred twenty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 239 310 478 620 947 956 1195 1894 2390 3788 4735 4780 7409 9470 14818 18940 29357 29636 37045 58714 74090 117428 146785 148180 226333 293570 452666 587140 905332 1131665 2263330 4526660 7016323 14032646 28065292 35081615 70163230 140326460