Search a number
-
+
30146582 = 227155621
BaseRepresentation
bin111001100000…
…0000000010110
32002201121100002
41303000000112
530204142312
62554051302
7514145624
oct163000026
962647302
1030146582
1116020634
12a119b32
13632691b
14400a514
1529a74c2
hex1cc0016

30146582 has 8 divisors (see below), whose sum is σ = 45387552. Its totient is φ = 15017400.

The previous prime is 30146563. The next prime is 30146587. The reversal of 30146582 is 28564103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30146587) 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, 27269 + ... + 28352.

It is an arithmetic number, because the mean of its divisors is an integer number (5673444).

Almost surely, 230146582 is an apocalyptic number.

30146582 is a deficient number, since it is larger than the sum of its proper divisors (15240970).

30146582 is a wasteful number, since it uses less digits than its factorization.

30146582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55894.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 30146582 is about 5490.5903143469. The cubic root of 30146582 is about 311.2285000982.

The spelling of 30146582 in words is "thirty million, one hundred forty-six thousand, five hundred eighty-two".

Divisors: 1 2 271 542 55621 111242 15073291 30146582