Search a number
-
+
30539275 = 521393967
BaseRepresentation
bin111010001111…
…1111000001011
32010110120000021
41310133320023
530304224100
63010321311
7520402534
oct164377013
963416007
1030539275
1116269678
12a289237
1364335a0
1440ad68b
152a33a1a
hex1d1fe0b

30539275 has 12 divisors (see below), whose sum is σ = 40782112. Its totient is φ = 22551840.

The previous prime is 30539231. The next prime is 30539287. The reversal of 30539275 is 57293503.

It is not a de Polignac number, because 30539275 - 219 = 30014987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30539275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46659 + ... + 47308.

Almost surely, 230539275 is an apocalyptic number.

30539275 is a deficient number, since it is larger than the sum of its proper divisors (10242837).

30539275 is a wasteful number, since it uses less digits than its factorization.

30539275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93990 (or 93985 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 30539275 is about 5526.2351560534. The cubic root of 30539275 is about 312.5740411226.

It can be divided in two parts, 3053 and 9275, that multiplied together give a triangular number (28316575 = T7525).

The spelling of 30539275 in words is "thirty million, five hundred thirty-nine thousand, two hundred seventy-five".

Divisors: 1 5 13 25 65 325 93967 469835 1221571 2349175 6107855 30539275