Search a number
-
+
30192102 = 2341719577
BaseRepresentation
bin111001100101…
…1000111100110
32002210220210000
41303023013212
530212121402
62555042130
7514425423
oct163130746
962726700
1030192102
1116051856
12a140346
136341565
14401cd4a
1529b5c1c
hex1ccb1e6

30192102 has 80 divisors (see below), whose sum is σ = 75533040. Its totient is φ = 8957952.

The previous prime is 30192101. The next prime is 30192157. The reversal of 30192102 is 20129103.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30192101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52038 + ... + 52614.

It is an arithmetic number, because the mean of its divisors is an integer number (944163).

Almost surely, 230192102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30192102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37766520).

30192102 is an abundant number, since it is smaller than the sum of its proper divisors (45340938).

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

30192102 is a wasteful number, since it uses less digits than its factorization.

30192102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 30192102 is about 5494.7340245002. The cubic root of 30192102 is about 311.3850683920.

The spelling of 30192102 in words is "thirty million, one hundred ninety-two thousand, one hundred two".

Divisors: 1 2 3 6 9 17 18 19 27 34 38 51 54 57 81 102 114 153 162 171 306 323 342 459 513 577 646 918 969 1026 1154 1377 1539 1731 1938 2754 2907 3078 3462 5193 5814 8721 9809 10386 10963 15579 17442 19618 21926 26163 29427 31158 32889 46737 52326 58854 65778 88281 93474 98667 176562 186371 197334 264843 296001 372742 529686 559113 592002 794529 888003 1118226 1589058 1677339 1776006 3354678 5032017 10064034 15096051 30192102