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8028234030 = 2354731318191
BaseRepresentation
bin1110111101000010…
…10010000100101110
3202201111112112201010
413132201102010232
5112420211442110
63404344530050
7402642602055
oct73641220456
922644475633
108028234030
11344a802063
121680780926
139ac34a34b
1456233739c
1531ec26020
hex1de85212e

8028234030 has 64 divisors (see below), whose sum is σ = 19741667328. Its totient is φ = 2088503040.

The previous prime is 8028234001. The next prime is 8028234079. The reversal of 8028234030 is 304328208.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432235 + ... + 450425.

It is an arithmetic number, because the mean of its divisors is an integer number (308463552).

Almost surely, 28028234030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8028234030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9870833664).

8028234030 is an abundant number, since it is smaller than the sum of its proper divisors (11713433298).

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

8028234030 is a wasteful number, since it uses less digits than its factorization.

8028234030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18561.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 8028234030 is about 89600.4131128869. The cubic root of 8028234030 is about 2002.3500733294.

The spelling of 8028234030 in words is "eight billion, twenty-eight million, two hundred thirty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 313 470 626 705 939 1410 1565 1878 3130 4695 9390 14711 18191 29422 36382 44133 54573 73555 88266 90955 109146 147110 181910 220665 272865 441330 545730 854977 1709954 2564931 4274885 5129862 5693783 8549770 11387566 12824655 17081349 25649310 28468915 34162698 56937830 85406745 170813490 267607801 535215602 802823403 1338039005 1605646806 2676078010 4014117015 8028234030