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1130250 = 235311137
BaseRepresentation
bin100010011111100001010
32010102102010
410103330022
5242132000
640120350
712415122
oct4237412
92112363
101130250
117021a0
124660b6
133075b4
14215c82
15174d50
hex113f0a

1130250 has 64 divisors (see below), whose sum is σ = 3100032. Its totient is φ = 272000.

The previous prime is 1130237. The next prime is 1130251. The reversal of 1130250 is 520311.

1130250 is a Rhonda number in base 8.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1130251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8182 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (48438).

21130250 is an apocalyptic number.

1130250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550016).

1130250 is an abundant number, since it is smaller than the sum of its proper divisors (1969782).

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

1130250 is a wasteful number, since it uses less digits than its factorization.

1130250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 158 counting only the distinct ones).

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

The square root of 1130250 is about 1063.1321648789. The cubic root of 1130250 is about 104.1657244359.

1130250 divided by its product of nonzero digits (30) gives a triangular number (37675 = T274).

Adding to 1130250 its reverse (520311), we get a palindrome (1650561).

The spelling of 1130250 in words is "one million, one hundred thirty thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 125 137 150 165 250 274 275 330 375 411 550 685 750 822 825 1370 1375 1507 1650 2055 2750 3014 3425 4110 4125 4521 6850 7535 8250 9042 10275 15070 17125 20550 22605 34250 37675 45210 51375 75350 102750 113025 188375 226050 376750 565125 1130250