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1005136630 = 25891129367
BaseRepresentation
bin111011111010010…
…010101011110110
32121001100020020121
4323322102223312
54024303333010
6243423322154
733623343331
oct7372225366
92531306217
101005136630
11476412033
1224075035a
13130318204
14976c7618
155d3983da
hex3be92af6

1005136630 has 16 divisors (see below), whose sum is σ = 1829576160. Its totient is φ = 397536832.

The previous prime is 1005136619. The next prime is 1005136631. The reversal of 1005136630 is 366315001.

It is a junction number, because it is equal to n+sod(n) for n = 1005136595 and 1005136604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005136631) 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, 563794 + ... + 565573.

It is an arithmetic number, because the mean of its divisors is an integer number (114348510).

Almost surely, 21005136630 is an apocalyptic number.

1005136630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005136630 is a deficient number, since it is larger than the sum of its proper divisors (824439530).

1005136630 is a wasteful number, since it uses less digits than its factorization.

1005136630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129463.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1005136630 is about 31703.8898244364. The cubic root of 1005136630 is about 1001.7092866744.

The spelling of 1005136630 in words is "one billion, five million, one hundred thirty-six thousand, six hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 1129367 2258734 5646835 11293670 100513663 201027326 502568315 1005136630