Search a number
3125033240 = 235746723899
BaseRepresentation
bin1011101001000100…
…0011100100011000
322001210022010200212
42322101003210120
522400002030430
61234032150252
7140304226040
oct27221034430
98053263625
103125033240
111363aaa7aa
12732698388
133aa5813c4
14219072720
15134540b95
hexba443918

3125033240 has 64 divisors (see below), whose sum is σ = 8053344000. Its totient is φ = 1069100928.

The previous prime is 3125033231. The next prime is 3125033251. The reversal of 3125033240 is 423305213.

It is a super-2 number, since 2×31250332402 = 19531665502209795200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 118811 + ... + 142709.

It is an arithmetic number, because the mean of its divisors is an integer number (125833500).

Almost surely, 23125033240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125033240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4026672000).

3125033240 is an abundant number, since it is smaller than the sum of its proper divisors (4928310760).

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

3125033240 is a wasteful number, since it uses less digits than its factorization.

3125033240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24384 (or 24380 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3125033240 is about 55901.9967443024. The cubic root of 3125033240 is about 1462.0140527867.

Adding to 3125033240 its reverse (423305213), we get a palindrome (3548338453).

The spelling of 3125033240 in words is "three billion, one hundred twenty-five million, thirty-three thousand, two hundred forty".