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1530074 = 272131201
BaseRepresentation
bin101110101100011011010
32212201212102
411311203122
5342430244
652443402
716001600
oct5654332
92781772
101530074
11955627
12619562
13417590
142bb870
1520354e
hex1758da

1530074 has 24 divisors (see below), whose sum is σ = 2877588. Its totient is φ = 604800.

The previous prime is 1530073. The next prime is 1530077. The reversal of 1530074 is 4700351.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1087849 + 442225 = 1043^2 + 665^2 .

It is a super-2 number, since 2×15300742 = 4682252890952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1530071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674 + ... + 1874.

21530074 is an apocalyptic number.

1530074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1530074 is a deficient number, since it is larger than the sum of its proper divisors (1347514).

1530074 is a wasteful number, since it uses less digits than its factorization.

1530074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1530074 is about 1236.9616000507. The cubic root of 1530074 is about 115.2313929522.

The spelling of 1530074 in words is "one million, five hundred thirty thousand, seventy-four".

Divisors: 1 2 7 13 14 26 49 91 98 182 637 1201 1274 2402 8407 15613 16814 31226 58849 109291 117698 218582 765037 1530074