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1410421520 = 24517630269
BaseRepresentation
bin101010000010001…
…0101001100010000
310122021221211121002
41110010111030100
510342031442040
6351542121132
746644246044
oct12404251420
93567854532
101410421520
11664167622
123344201a8
1319628a161
14d5466024
1583c52a15
hex54115310

1410421520 has 20 divisors (see below), whose sum is σ = 3279230220. Its totient is φ = 564168576.

The previous prime is 1410421513. The next prime is 1410421553. The reversal of 1410421520 is 251240141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 965717776 + 444703744 = 31076^2 + 21088^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×14104215202 = 3978577728158220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1410421492 and 1410421501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8815055 + ... + 8815214.

It is an arithmetic number, because the mean of its divisors is an integer number (163961511).

Almost surely, 21410421520 is an apocalyptic number.

1410421520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1410421520 is an abundant number, since it is smaller than the sum of its proper divisors (1868808700).

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

1410421520 is a wasteful number, since it uses less digits than its factorization.

1410421520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630282 (or 17630276 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1410421520 is about 37555.5790795456. The cubic root of 1410421520 is about 1121.4579015993.

Adding to 1410421520 its reverse (251240141), we get a palindrome (1661661661).

The spelling of 1410421520 in words is "one billion, four hundred ten million, four hundred twenty-one thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 17630269 35260538 70521076 88151345 141042152 176302690 282084304 352605380 705210760 1410421520