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326071040 = 285269947
BaseRepresentation
bin10011011011110…
…111001100000000
3211201120010101012
4103123313030000
51131433233130
652204500052
711036362301
oct2333671400
9751503335
10326071040
11158070aa9
129124a628
1352728659
143143c7a8
151d95d995
hex136f7300

326071040 has 72 divisors (see below), whose sum is σ = 784773360. Its totient is φ = 129806336.

The previous prime is 326071037. The next prime is 326071043. The reversal of 326071040 is 40170623.

It is an interprime number because it is at equal distance from previous prime (326071037) and next prime (326071043).

It is a junction number, because it is equal to n+sod(n) for n = 326070997 and 326071015.

It is not an unprimeable number, because it can be changed into a prime (326071043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343847 + ... + 344793.

It is an arithmetic number, because the mean of its divisors is an integer number (10899630).

Almost surely, 2326071040 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 326071040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392386680).

326071040 is an abundant number, since it is smaller than the sum of its proper divisors (458702320).

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

326071040 is an equidigital number, since it uses as much as digits as its factorization.

326071040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 326071040 is about 18057.4372489565. The cubic root of 326071040 is about 688.2888637376.

The spelling of 326071040 in words is "three hundred twenty-six million, seventy-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 269 320 538 640 947 1076 1280 1345 1894 2152 2690 3788 4304 4735 5380 7576 8608 9470 10760 15152 17216 18940 21520 30304 34432 37880 43040 60608 68864 75760 86080 121216 151520 172160 242432 254743 303040 344320 509486 606080 1018972 1212160 1273715 2037944 2547430 4075888 5094860 8151776 10189720 16303552 20379440 32607104 40758880 65214208 81517760 163035520 326071040