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1075125730 = 257175915313
BaseRepresentation
bin100000000010101…
…0001110111100010
32202221001001020111
41000011101313202
54200213010410
6254403401534
735433263230
oct10005216742
92687031214
101075125730
11501975968
122600832aa
13141981a93
14a2b05950
15645c0b8a
hex40151de2

1075125730 has 64 divisors (see below), whose sum is σ = 2381633280. Its totient is φ = 341028864.

The previous prime is 1075125719. The next prime is 1075125743. The reversal of 1075125730 is 375215701.

It is a junction number, because it is equal to n+sod(n) for n = 1075125692 and 1075125701.

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, 62554 + ... + 77866.

It is an arithmetic number, because the mean of its divisors is an integer number (37213020).

Almost surely, 21075125730 is an apocalyptic number.

1075125730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1075125730 is an abundant number, since it is smaller than the sum of its proper divisors (1306507550).

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

1075125730 is a wasteful number, since it uses less digits than its factorization.

1075125730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 1075125730 is about 32789.1099299752. The cubic root of 1075125730 is about 1024.4397430008.

It can be divided in two parts, 10751 and 25730, that added together give a square (36481 = 1912).

The spelling of 1075125730 in words is "one billion, seventy-five million, one hundred twenty-five thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 59 70 85 118 119 170 238 295 413 590 595 826 1003 1190 2006 2065 4130 5015 7021 10030 14042 15313 30626 35105 70210 76565 107191 153130 214382 260321 520642 535955 903467 1071910 1301605 1806934 1822247 2603210 3644494 4517335 6324269 9034670 9111235 12648538 15358939 18222470 30717878 31621345 63242690 76794695 107512573 153589390 215025146 537562865 1075125730