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30125342 = 2131796473
BaseRepresentation
bin111001011101…
…0110100011110
32002200112012102
41302322310132
530203002332
62553405102
7514026662
oct162726436
962615172
1030125342
1116006685
12a109792
13631a060
1440028a2
1529a1062
hex1cbad1e

30125342 has 16 divisors (see below), whose sum is σ = 48943440. Its totient is φ = 13824192.

The previous prime is 30125339. The next prime is 30125351. The reversal of 30125342 is 24352103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418 + ... + 7890.

It is an arithmetic number, because the mean of its divisors is an integer number (3058965).

Almost surely, 230125342 is an apocalyptic number.

30125342 is a deficient number, since it is larger than the sum of its proper divisors (18818098).

30125342 is a wasteful number, since it uses less digits than its factorization.

30125342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30125342 is about 5488.6557552829. The cubic root of 30125342 is about 311.1553901357.

Adding to 30125342 its reverse (24352103), we get a palindrome (54477445).

The spelling of 30125342 in words is "thirty million, one hundred twenty-five thousand, three hundred forty-two".

Divisors: 1 2 13 26 179 358 2327 4654 6473 12946 84149 168298 1158667 2317334 15062671 30125342