Search a number
-
+
1532054540 = 225274127947
BaseRepresentation
bin101101101010001…
…0100110000001100
310221202211102201202
41123110110300030
511114201221130
6412005125032
752652151212
oct13324246014
93852742652
101532054540
11716894285
123690b9778
131b5536463
14107688cb2
158e77c145
hex5b514c0c

1532054540 has 24 divisors (see below), whose sum is σ = 3218603472. Its totient is φ = 612576320.

The previous prime is 1532054539. The next prime is 1532054549. The reversal of 1532054540 is 454502351.

It is a super-2 number, since 2×15320545402 = 4694382227069223200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1532054549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40847 + ... + 68793.

It is an arithmetic number, because the mean of its divisors is an integer number (134108478).

Almost surely, 21532054540 is an apocalyptic number.

1532054540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532054540 is an abundant number, since it is smaller than the sum of its proper divisors (1686548932).

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

1532054540 is a wasteful number, since it uses less digits than its factorization.

1532054540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30697 (or 30695 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1532054540 is about 39141.4682913148. The cubic root of 1532054540 is about 1152.8109032714.

Adding to 1532054540 its reverse (454502351), we get a palindrome (1986556891).

The spelling of 1532054540 in words is "one billion, five hundred thirty-two million, fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2741 5482 10964 13705 27410 27947 54820 55894 111788 139735 279470 558940 76602727 153205454 306410908 383013635 766027270 1532054540