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1530102 = 237172143
BaseRepresentation
bin101110101100011110110
32212201220110
411311203312
5342430402
652443450
716001640
oct5654366
92781813
101530102
11955652
12619586
134175b2
142bb890
1520356c
hex1758f6

1530102 has 32 divisors (see below), whose sum is σ = 3704832. Its totient is φ = 411264.

The previous prime is 1530097. The next prime is 1530103. The reversal of 1530102 is 2010351.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358 + ... + 1785.

It is an arithmetic number, because the mean of its divisors is an integer number (115776).

21530102 is an apocalyptic number.

1530102 is an abundant number, since it is smaller than the sum of its proper divisors (2174730).

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

1530102 is a wasteful number, since it uses less digits than its factorization.

1530102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1530102 is about 1236.9729180544. The cubic root of 1530102 is about 115.2320958505.

Adding to 1530102 its reverse (2010351), we get a palindrome (3540453).

Subtracting 1530102 from its reverse (2010351), we obtain a square (480249 = 6932).

The spelling of 1530102 in words is "one million, five hundred thirty thousand, one hundred two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 2143 4286 6429 12858 15001 30002 36431 45003 72862 90006 109293 218586 255017 510034 765051 1530102