Search a number
-
+
1420351324 = 227215323561
BaseRepresentation
bin101010010101000…
…1101011101011100
310122222122022201121
41110222031131130
510402102220244
6352535020324
750124533650
oct12452153534
93588568647
101420351324
11669829a77
1233780a6a4
13198355a92
14d68cca60
1584a64c84
hex54a8d75c

1420351324 has 24 divisors (see below), whose sum is σ = 2842142688. Its totient is φ = 608413440.

The previous prime is 1420351319. The next prime is 1420351337. The reversal of 1420351324 is 4231530241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48504 + ... + 72064.

It is an arithmetic number, because the mean of its divisors is an integer number (118422612).

Almost surely, 21420351324 is an apocalyptic number.

1420351324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1420351324 is an abundant number, since it is smaller than the sum of its proper divisors (1421791364).

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

1420351324 is a wasteful number, since it uses less digits than its factorization.

1420351324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25725 (or 25723 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1420351324 is about 37687.5486600018. The cubic root of 1420351324 is about 1124.0835529721.

Adding to 1420351324 its reverse (4231530241), we get a palindrome (5651881565).

The spelling of 1420351324 in words is "one billion, four hundred twenty million, three hundred fifty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 2153 4306 8612 15071 23561 30142 47122 60284 94244 164927 329854 659708 50726833 101453666 202907332 355087831 710175662 1420351324