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345029500 = 2253690059
BaseRepresentation
bin10100100100001…
…011101101111100
3220001020022111101
4110210023231330
51201311421000
654123102444
711356462624
oct2444135574
9801208441
10345029500
1116783a852
1297671a24
135663598a
1433b75884
1520455e6a
hex1490bb7c

345029500 has 24 divisors (see below), whose sum is σ = 753545520. Its totient is φ = 138011600.

The previous prime is 345029497. The next prime is 345029507. The reversal of 345029500 is 5920543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345029507) 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, 344530 + ... + 345529.

It is an arithmetic number, because the mean of its divisors is an integer number (31397730).

Almost surely, 2345029500 is an apocalyptic number.

It is an amenable number.

345029500 is an abundant number, since it is smaller than the sum of its proper divisors (408516020).

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

345029500 is a wasteful number, since it uses less digits than its factorization.

345029500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690078 (or 690066 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 345029500 is about 18574.9697173374. The cubic root of 345029500 is about 701.3778981747.

The spelling of 345029500 in words is "three hundred forty-five million, twenty-nine thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 690059 1380118 2760236 3450295 6900590 13801180 17251475 34502950 69005900 86257375 172514750 345029500