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340034020 = 22540074243
BaseRepresentation
bin10100010001001…
…000000111100100
3212200211111222121
4110101020013210
51144022042040
653424035324
711266145554
oct2421100744
9780744877
10340034020
11164a38657
1295a62b44
13555a6c81
1433235164
151ecbac4a
hex144481e4

340034020 has 24 divisors (see below), whose sum is σ = 714417984. Its totient is φ = 135947616.

The previous prime is 340033999. The next prime is 340034029. The reversal of 340034020 is 20430043.

It is a junction number, because it is equal to n+sod(n) for n = 340033985 and 340034003.

It is not an unprimeable number, because it can be changed into a prime (340034029) 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, 78019 + ... + 82261.

It is an arithmetic number, because the mean of its divisors is an integer number (29767416).

Almost surely, 2340034020 is an apocalyptic number.

It is an amenable number.

340034020 is an abundant number, since it is smaller than the sum of its proper divisors (374383964).

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

340034020 is a wasteful number, since it uses less digits than its factorization.

340034020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 340034020 is about 18440.0113882828. The cubic root of 340034020 is about 697.9764827067.

Adding to 340034020 its reverse (20430043), we get a palindrome (360464063).

The spelling of 340034020 in words is "three hundred forty million, thirty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 4007 4243 8014 8486 16028 16972 20035 21215 40070 42430 80140 84860 17001701 34003402 68006804 85008505 170017010 340034020