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340707680 = 2552129423
BaseRepresentation
bin10100010011101…
…100100101100000
3212202002202001222
4110103230211200
51144210121210
653450314212
711304652565
oct2423544540
9782082058
10340707680
111653587a5
1296128968
13557817a1
143336c86c
151eda0655
hex144ec960

340707680 has 24 divisors (see below), whose sum is σ = 804922272. Its totient is φ = 136283008.

The previous prime is 340707673. The next prime is 340707709. The reversal of 340707680 is 86707043.

It is a self number, because there is not a number n which added to its sum of digits gives 340707680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064552 + ... + 1064871.

It is an arithmetic number, because the mean of its divisors is an integer number (33538428).

Almost surely, 2340707680 is an apocalyptic number.

It is an amenable number.

340707680 is an abundant number, since it is smaller than the sum of its proper divisors (464214592).

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

340707680 is a wasteful number, since it uses less digits than its factorization.

340707680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129438 (or 2129430 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 340707680 is about 18458.2686078624. The cubic root of 340707680 is about 698.4371117799.

The spelling of 340707680 in words is "three hundred forty million, seven hundred seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2129423 4258846 8517692 10647115 17035384 21294230 34070768 42588460 68141536 85176920 170353840 340707680