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326371240 = 23513627637
BaseRepresentation
bin10011011101000…
…000011110101000
3211202010101011201
4103131000132220
51132022334430
652215133544
711042052436
oct2335003650
9752111151
10326371240
111582565a8
12913742b4
13528021a0
14314b9d56
151d9bc8ca
hex137407a8

326371240 has 32 divisors (see below), whose sum is σ = 790823880. Its totient is φ = 120506112.

The previous prime is 326371229. The next prime is 326371291. The reversal of 326371240 is 42173623.

It can be written as a sum of positive squares in 4 ways, for example, as 256448196 + 69923044 = 16014^2 + 8362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 326371199 and 326371208.

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 7 ways as a sum of consecutive naturals, for example, 313299 + ... + 314338.

Almost surely, 2326371240 is an apocalyptic number.

It is an amenable number.

326371240 is an abundant number, since it is smaller than the sum of its proper divisors (464452640).

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

326371240 is a wasteful number, since it uses less digits than its factorization.

326371240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627661 (or 627657 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 326371240 is about 18065.7477011055. The cubic root of 326371240 is about 688.5000252268.

The spelling of 326371240 in words is "three hundred twenty-six million, three hundred seventy-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 627637 1255274 2510548 3138185 5021096 6276370 8159281 12552740 16318562 25105480 32637124 40796405 65274248 81592810 163185620 326371240