Search a number
-
+
30524661 = 335383257
BaseRepresentation
bin111010001110…
…0010011110101
32010102210222000
41310130103311
530303242121
63010125513
7520312116
oct164342365
963383860
1030524661
11162596a2
12a280899
136429a3b
1440a820d
152a2e526
hex1d1c4f5

30524661 has 32 divisors (see below), whose sum is σ = 46811520. Its totient is φ = 19648512.

The previous prime is 30524647. The next prime is 30524671. The reversal of 30524661 is 16642503.

It is not a de Polignac number, because 30524661 - 25 = 30524629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30524671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118645 + ... + 118901.

It is an arithmetic number, because the mean of its divisors is an integer number (1462860).

Almost surely, 230524661 is an apocalyptic number.

It is an amenable number.

30524661 is a deficient number, since it is larger than the sum of its proper divisors (16286859).

30524661 is a wasteful number, since it uses less digits than its factorization.

30524661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30524661 is about 5524.9127594922. The cubic root of 30524661 is about 312.5241743432.

The spelling of 30524661 in words is "thirty million, five hundred twenty-four thousand, six hundred sixty-one".

Divisors: 1 3 9 27 53 83 159 249 257 477 747 771 1431 2241 2313 4399 6939 13197 13621 21331 39591 40863 63993 118773 122589 191979 367767 575937 1130543 3391629 10174887 30524661