Search a number
-
+
30710850 = 2352533863
BaseRepresentation
bin111010100100…
…1110001000010
32010210021100220
41311021301002
530330221400
63014123510
7522016002
oct165116102
963707326
1030710850
1116376575
12a350596
136493701
144116002
152a697a0
hex1d49c42

30710850 has 48 divisors (see below), whose sum is σ = 77620032. Its totient is φ = 8032960.

The previous prime is 30710831. The next prime is 30710861. The reversal of 30710850 is 5801703.

It is a self number, because there is not a number n which added to its sum of digits gives 30710850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6019 + ... + 9881.

It is an arithmetic number, because the mean of its divisors is an integer number (1617084).

Almost surely, 230710850 is an apocalyptic number.

30710850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30710850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38810016).

30710850 is an abundant number, since it is smaller than the sum of its proper divisors (46909182).

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

30710850 is a wasteful number, since it uses less digits than its factorization.

30710850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931 (or 3926 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 30710850 is about 5541.7370922843. The cubic root of 30710850 is about 313.1583135540.

The spelling of 30710850 in words is "thirty million, seven hundred ten thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 53 75 106 150 159 265 318 530 795 1325 1590 2650 3863 3975 7726 7950 11589 19315 23178 38630 57945 96575 115890 193150 204739 289725 409478 579450 614217 1023695 1228434 2047390 3071085 5118475 6142170 10236950 15355425 30710850