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1030540 = 225717433
BaseRepresentation
bin11111011100110001100
31221100122011
43323212030
5230434130
634031004
711521330
oct3734614
91840564
101030540
11644295
12418464
132a10b4
141cb7c0
1515552a
hexfb98c

1030540 has 48 divisors (see below), whose sum is σ = 2624832. Its totient is φ = 331776.

The previous prime is 1030537. The next prime is 1030543. The reversal of 1030540 is 450301.

It is an interprime number because it is at equal distance from previous prime (1030537) and next prime (1030543).

It is a super-3 number, since 3×10305403 = 3283339677604392000, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1030540.

It is not an unprimeable number, because it can be changed into a prime (1030543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2164 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (54684).

21030540 is an apocalyptic number.

1030540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312416).

1030540 is an abundant number, since it is smaller than the sum of its proper divisors (1594292).

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

1030540 is a wasteful number, since it uses less digits than its factorization.

1030540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1030540 is about 1015.1551605543. The cubic root of 1030540 is about 101.0078090881.

Adding to 1030540 its reverse (450301), we get a palindrome (1480841).

The spelling of 1030540 in words is "one million, thirty thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 433 476 595 866 1190 1732 2165 2380 3031 4330 6062 7361 8660 12124 14722 15155 29444 30310 36805 51527 60620 73610 103054 147220 206108 257635 515270 1030540