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325015040 = 295722591
BaseRepresentation
bin10011010111110…
…101011000000000
3211122120110211002
4103113311120000
51131200440130
652130111132
711024403500
oct2327653000
9748513732
10325015040
1115750a679
1290a1b4a8
1352448abc
1431245a00
151d800b45
hex135f5600

325015040 has 120 divisors (see below), whose sum is σ = 906852672. Its totient is φ = 111390720.

The previous prime is 325015039. The next prime is 325015049. The reversal of 325015040 is 40510523.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325015049) 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 11 ways as a sum of consecutive naturals, for example, 124145 + ... + 126735.

Almost surely, 2325015040 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 325015040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453426336).

325015040 is an abundant number, since it is smaller than the sum of its proper divisors (581837632).

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

325015040 is an equidigital number, since it uses as much as digits as its factorization.

325015040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 325015040 is about 18028.1735070417. The cubic root of 325015040 is about 687.5450390328.

Adding to 325015040 its reverse (40510523), we get a palindrome (365525563).

The spelling of 325015040 in words is "three hundred twenty-five million, fifteen thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 392 448 490 512 560 640 784 896 980 1120 1280 1568 1792 1960 2240 2560 2591 3136 3584 3920 4480 5182 6272 7840 8960 10364 12544 12955 15680 17920 18137 20728 25088 25910 31360 36274 41456 51820 62720 72548 82912 90685 103640 125440 126959 145096 165824 181370 207280 253918 290192 331648 362740 414560 507836 580384 634795 663296 725480 829120 1015672 1160768 1269590 1326592 1450960 1658240 2031344 2321536 2539180 2901920 3316480 4062688 4643072 5078360 5803840 6632960 8125376 9286144 10156720 11607680 16250752 20313440 23215360 32501504 40626880 46430720 65003008 81253760 162507520 325015040