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30748134 = 2311094621
BaseRepresentation
bin111010101001…
…0110111100110
32010212011111210
41311102313212
530332420014
63015012250
7522232464
oct165226746
963764453
1030748134
11163a158a
12a36a086
1364a7681
144125834
152a75859
hex1d52de6

30748134 has 16 divisors (see below), whose sum is σ = 61565040. Its totient is φ = 10237920.

The previous prime is 30748093. The next prime is 30748153. The reversal of 30748134 is 43184703.

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, 4344 + ... + 8964.

It is an arithmetic number, because the mean of its divisors is an integer number (3847815).

Almost surely, 230748134 is an apocalyptic number.

30748134 is an abundant number, since it is smaller than the sum of its proper divisors (30816906).

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

30748134 is a wasteful number, since it uses less digits than its factorization.

30748134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 30748134 is about 5545.0999990983. The cubic root of 30748134 is about 313.2849905298.

The spelling of 30748134 in words is "thirty million, seven hundred forty-eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 1109 2218 3327 4621 6654 9242 13863 27726 5124689 10249378 15374067 30748134