Search a number
-
+
1530994032 = 243210631903
BaseRepresentation
bin101101101000001…
…0001110101110000
310221200211112222200
41123100101311300
511113413302112
6411530303200
752640143311
oct13320216560
93850745880
101530994032
1171622a527
12368887b00
131b5254839
14107490608
158e61ccdc
hex5b411d70

1530994032 has 30 divisors (see below), whose sum is σ = 4284657312. Its totient is φ = 510331296.

The previous prime is 1530993979. The next prime is 1530994037. The reversal of 1530994032 is 2304990351.

It is a happy number.

1530994032 is a `hidden beast` number, since 1 + 530 + 9 + 94 + 0 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530994037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5315808 + ... + 5316095.

Almost surely, 21530994032 is an apocalyptic number.

1530994032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1530994032 is an abundant number, since it is smaller than the sum of its proper divisors (2753663280).

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

1530994032 is a wasteful number, since it uses less digits than its factorization.

1530994032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631917 (or 10631908 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 1530994032 is about 39127.9188304208. The cubic root of 1530994032 is about 1152.5448449917.

The spelling of 1530994032 in words is "one billion, five hundred thirty million, nine hundred ninety-four thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 10631903 21263806 31895709 42527612 63791418 85055224 95687127 127582836 170110448 191374254 255165672 382748508 510331344 765497016 1530994032