Search a number
-
+
1442874520 = 235170921107
BaseRepresentation
bin101011000000000…
…1000010010011000
310201120000121202001
41112000020102120
510423333441040
6355101450344
750520142153
oct12600102230
93646017661
101442874520
11680512a8a
123432709b4
1319cc10809
14d98b2c9a
1586a1359a
hex56008498

1442874520 has 32 divisors (see below), whose sum is σ = 3248521200. Its totient is φ = 576784768.

The previous prime is 1442874493. The next prime is 1442874527. The reversal of 1442874520 is 254782441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442874520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442874527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57807 + ... + 78913.

Almost surely, 21442874520 is an apocalyptic number.

1442874520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442874520 is an abundant number, since it is smaller than the sum of its proper divisors (1805646680).

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

1442874520 is a wasteful number, since it uses less digits than its factorization.

1442874520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827 (or 22823 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 1442874520 is about 37985.1881659154. The cubic root of 1442874520 is about 1129.9941315904.

The spelling of 1442874520 in words is "one billion, four hundred forty-two million, eight hundred seventy-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1709 3418 6836 8545 13672 17090 21107 34180 42214 68360 84428 105535 168856 211070 422140 844280 36071863 72143726 144287452 180359315 288574904 360718630 721437260 1442874520