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10830380 = 22511192591
BaseRepresentation
bin101001010100…
…001000101100
3202101020111012
4221110020230
510233033010
61024044352
7161025311
oct51241054
922336435
1010830380
116128030
1237636b8
132322812
14161cd08
15e3e005
hexa5422c

10830380 has 48 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 3729600.

The previous prime is 10830371. The next prime is 10830383. The reversal of 10830380 is 8303801.

It is not an unprimeable number, because it can be changed into a prime (10830383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2885 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 210830380 is an apocalyptic number.

10830380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10830380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13063680).

10830380 is an abundant number, since it is smaller than the sum of its proper divisors (15296980).

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

10830380 is a wasteful number, since it uses less digits than its factorization.

10830380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 10830380 is about 3290.9542689013. The cubic root of 10830380 is about 221.2489567657.

The spelling of 10830380 in words is "ten million, eight hundred thirty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 2591 4180 5182 10364 12955 25910 28501 49229 51820 57002 98458 114004 142505 196916 246145 285010 492290 541519 570020 984580 1083038 2166076 2707595 5415190 10830380