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1421013200 = 24523552533
BaseRepresentation
bin101010010110010…
…1111000011010000
310200000212221122112
41110230233003100
510402234410300
6353001124452
750133261425
oct12454570320
93600787575
101421013200
1166a141282
12337a89728
13198528119
14d6a21d4c
1584b45e35
hex54b2f0d0

1421013200 has 30 divisors (see below), whose sum is σ = 3413985174. Its totient is φ = 568405120.

The previous prime is 1421013197. The next prime is 1421013227. The reversal of 1421013200 is 23101241.

1421013200 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 438316096 + 982697104 = 20936^2 + 31348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1775867 + ... + 1776666.

Almost surely, 21421013200 is an apocalyptic number.

1421013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421013200 is an abundant number, since it is smaller than the sum of its proper divisors (1992971974).

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

1421013200 is a wasteful number, since it uses less digits than its factorization.

1421013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552551 (or 3552540 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1421013200 is about 37696.3287337109. The cubic root of 1421013200 is about 1124.2581314668.

Adding to 1421013200 its reverse (23101241), we get a palindrome (1444114441).

The spelling of 1421013200 in words is "one billion, four hundred twenty-one million, thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 3552533 7105066 14210132 17762665 28420264 35525330 56840528 71050660 88813325 142101320 177626650 284202640 355253300 710506600 1421013200