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1042505250 = 23536122787
BaseRepresentation
bin111110001000110…
…101111000100010
32200122122202100120
4332020311320202
54113340132000
6251240301110
734556101623
oct7610657042
92618582316
101042505250
11495515696
12251171796
13137ca0117
149c653a4a
15617ca6a0
hex3e235e22

1042505250 has 64 divisors (see below), whose sum is σ = 2644866432. Its totient is φ = 273432000.

The previous prime is 1042505249. The next prime is 1042505257. The reversal of 1042505250 is 525052401.

It is a happy number.

1042505250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1042505250.

It is not an unprimeable number, because it can be changed into a prime (1042505257) 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, 34357 + ... + 57143.

It is an arithmetic number, because the mean of its divisors is an integer number (41326038).

Almost surely, 21042505250 is an apocalyptic number.

1042505250 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 1042505250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322433216).

1042505250 is an abundant number, since it is smaller than the sum of its proper divisors (1602361182).

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

1042505250 is a wasteful number, since it uses less digits than its factorization.

1042505250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22868 (or 22858 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1042505250 is about 32287.8498819602. The cubic root of 1042505250 is about 1013.9722827370.

Adding to 1042505250 its reverse (525052401), we get a palindrome (1567557651).

The spelling of 1042505250 in words is "one billion, forty-two million, five hundred five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 61 75 122 125 150 183 250 305 366 375 610 750 915 1525 1830 3050 4575 7625 9150 15250 22787 22875 45574 45750 68361 113935 136722 227870 341805 569675 683610 1139350 1390007 1709025 2780014 2848375 3418050 4170021 5696750 6950035 8340042 8545125 13900070 17090250 20850105 34750175 41700210 69500350 104250525 173750875 208501050 347501750 521252625 1042505250