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349180620 = 22355819677
BaseRepresentation
bin10100110100000…
…001001011001100
3220100001012202120
4110310001023030
51203342234440
654352052540
711436662205
oct2464011314
9810035676
10349180620
1116a115628
1298b34150
135745a269
14345365ac
15209c5dd0
hex14d012cc

349180620 has 24 divisors (see below), whose sum is σ = 977705904. Its totient is φ = 93114816.

The previous prime is 349180583. The next prime is 349180639. The reversal of 349180620 is 26081943.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2909779 + ... + 2909898.

It is an arithmetic number, because the mean of its divisors is an integer number (40737746).

Almost surely, 2349180620 is an apocalyptic number.

349180620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

349180620 is an abundant number, since it is smaller than the sum of its proper divisors (628525284).

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

349180620 is a wasteful number, since it uses less digits than its factorization.

349180620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819689 (or 5819687 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 349180620 is about 18686.3752504331. The cubic root of 349180620 is about 704.1794991456.

The spelling of 349180620 in words is "three hundred forty-nine million, one hundred eighty thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5819677 11639354 17459031 23278708 29098385 34918062 58196770 69836124 87295155 116393540 174590310 349180620