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345359540 = 22567257731
BaseRepresentation
bin10100100101011…
…100010010110100
3220001212002020002
4110211130102310
51201403001130
654134130432
711362336061
oct2445342264
9801762202
10345359540
11167a45809
12977b0a18
135671cc76
1433c1dc68
15204bdb45
hex1495c4b4

345359540 has 24 divisors (see below), whose sum is σ = 736082592. Its totient is φ = 136081440.

The previous prime is 345359537. The next prime is 345359543. The reversal of 345359540 is 45953543.

It is an interprime number because it is at equal distance from previous prime (345359537) and next prime (345359543).

It is a junction number, because it is equal to n+sod(n) for n = 345359494 and 345359503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345359543) 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 7 ways as a sum of consecutive naturals, for example, 127526 + ... + 130205.

It is an arithmetic number, because the mean of its divisors is an integer number (30670108).

Almost surely, 2345359540 is an apocalyptic number.

It is an amenable number.

345359540 is an abundant number, since it is smaller than the sum of its proper divisors (390723052).

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

345359540 is a wasteful number, since it uses less digits than its factorization.

345359540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257807 (or 257805 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 345359540 is about 18583.8515921754. The cubic root of 345359540 is about 701.6014626255.

The spelling of 345359540 in words is "three hundred forty-five million, three hundred fifty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 257731 515462 1030924 1288655 2577310 5154620 17267977 34535954 69071908 86339885 172679770 345359540