Search a number
-
+
1410205440 = 28357232281
BaseRepresentation
bin101010000001110…
…0000011100000000
310122021112212012010
41110003200130000
510342003033230
6351533332520
746642356060
oct12403403400
93567485163
101410205440
1166402a246
12334337140
131962129b7
14d540b3a0
1583c0d9b0
hex540e0700

1410205440 has 288 divisors, whose sum is σ = 5373398016. Its totient is φ = 308183040.

The previous prime is 1410205439. The next prime is 1410205451. The reversal of 1410205440 is 445020141.

It is a happy number.

It is a super-3 number, since 3×14102054403 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617100 + ... + 619380.

It is an arithmetic number, because the mean of its divisors is an integer number (18657632).

Almost surely, 21410205440 is an apocalyptic number.

1410205440 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 1410205440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2686699008).

1410205440 is an abundant number, since it is smaller than the sum of its proper divisors (3963192576).

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

1410205440 is a wasteful number, since it uses less digits than its factorization.

1410205440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2321 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1410205440 is about 37552.7021664221. The cubic root of 1410205440 is about 1121.4006286503.

Adding to 1410205440 its reverse (445020141), we get a palindrome (1855225581).

The spelling of 1410205440 in words is "one billion, four hundred ten million, two hundred five thousand, four hundred forty".