Search a number
-
+
1420302400 = 2652111747101
BaseRepresentation
bin101010010101000…
…0001100001000000
310122222112211121121
41110222001201000
510402044134100
6352534002024
750124241216
oct12452014100
93588484547
101420302400
116697a6240
123377a6314
1319833972a
14d68b8cb6
1584a5551a
hex54a81840

1420302400 has 336 divisors, whose sum is σ = 4163519232. Its totient is φ = 471040000.

The previous prime is 1420302379. The next prime is 1420302431. The reversal of 1420302400 is 42030241.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14062350 + ... + 14062450.

Almost surely, 21420302400 is an apocalyptic number.

1420302400 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 1420302400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2081759616).

1420302400 is an abundant number, since it is smaller than the sum of its proper divisors (2743216832).

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

1420302400 is a wasteful number, since it uses less digits than its factorization.

1420302400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1420302400 is about 37686.8995806235. The cubic root of 1420302400 is about 1124.0706464716.

Adding to 1420302400 its reverse (42030241), we get a palindrome (1462332641).

The spelling of 1420302400 in words is "one billion, four hundred twenty million, three hundred two thousand, four hundred".