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1005041830 = 25137731091
BaseRepresentation
bin111011111001111…
…011100010100110
32121001011102012111
4323321323202212
54024242314310
6243421311234
733622500052
oct7371734246
92531142174
101005041830
11476357891
1224070551a
131302b4010
14976a0c62
155d37a28a
hex3be7b8a6

1005041830 has 16 divisors (see below), whose sum is σ = 1948235184. Its totient is φ = 371092320.

The previous prime is 1005041801. The next prime is 1005041831. The reversal of 1005041830 is 381405001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005041831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865416 + ... + 3865675.

It is an arithmetic number, because the mean of its divisors is an integer number (121764699).

Almost surely, 21005041830 is an apocalyptic number.

1005041830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005041830 is a deficient number, since it is larger than the sum of its proper divisors (943193354).

1005041830 is a wasteful number, since it uses less digits than its factorization.

1005041830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731111.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1005041830 is about 31702.3947045014. The cubic root of 1005041830 is about 1001.6777934349.

Adding to 1005041830 its reverse (381405001), we get a palindrome (1386446831).

The spelling of 1005041830 in words is "one billion, five million, forty-one thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 7731091 15462182 38655455 77310910 100504183 201008366 502520915 1005041830