Search a number
-
+
30530546 = 2127120199
BaseRepresentation
bin111010001110…
…1101111110010
32010110010000222
41310131233302
530303434141
63010213042
7520335224
oct164355762
963403028
1030530546
1116263062
12a284182
13642c617
1440aa414
152a3114b
hex1d1dbf2

30530546 has 8 divisors (see below), whose sum is σ = 46156800. Its totient is φ = 15144948.

The previous prime is 30530543. The next prime is 30530551. The reversal of 30530546 is 64503503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×305305462 = 1864228478116232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30530543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59846 + ... + 60353.

It is an arithmetic number, because the mean of its divisors is an integer number (5769600).

Almost surely, 230530546 is an apocalyptic number.

30530546 is a deficient number, since it is larger than the sum of its proper divisors (15626254).

30530546 is a wasteful number, since it uses less digits than its factorization.

30530546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120328.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 30530546 is about 5525.4453214198. The cubic root of 30530546 is about 312.5442574118.

The spelling of 30530546 in words is "thirty million, five hundred thirty thousand, five hundred forty-six".

Divisors: 1 2 127 254 120199 240398 15265273 30530546