Search a number
-
+
30137112 = 23322231877
BaseRepresentation
bin111001011110…
…1101100011000
32002201010100100
41302331230120
530203341422
62553535400
7514106205
oct162755430
962633310
1030137112
1116014505
12a114560
136322515
144006cac
1529a47ac
hex1cbdb18

30137112 has 48 divisors (see below), whose sum is σ = 82031040. Its totient is φ = 9995328.

The previous prime is 30137071. The next prime is 30137131. The reversal of 30137112 is 21173103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 15118 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (1708980).

Almost surely, 230137112 is an apocalyptic number.

It is an amenable number.

30137112 is an abundant number, since it is smaller than the sum of its proper divisors (51893928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30137112 is a wasteful number, since it uses less digits than its factorization.

30137112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 30137112 is about 5489.7278621076. The cubic root of 30137112 is about 311.1959077625.

The spelling of 30137112 in words is "thirty million, one hundred thirty-seven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 223 446 669 892 1338 1784 1877 2007 2676 3754 4014 5352 5631 7508 8028 11262 15016 16056 16893 22524 33786 45048 67572 135144 418571 837142 1255713 1674284 2511426 3348568 3767139 5022852 7534278 10045704 15068556 30137112