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684460046 = 21720719889
BaseRepresentation
bin101000110011000…
…000100000001110
31202200221011200002
4220303000200032
52400210210141
6151530204302
722650546224
oct5063004016
91680834602
10684460046
113213a5a66
12171283692
13aba5b05a
1466c90b14
1540152e9b
hex28cc080e

684460046 has 8 divisors (see below), whose sum is σ = 1026801360. Its totient is φ = 342192928.

The previous prime is 684460043. The next prime is 684460079. The reversal of 684460046 is 640064486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 684459991 and 684460009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684460043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24470 + ... + 44358.

It is an arithmetic number, because the mean of its divisors is an integer number (128350170).

Almost surely, 2684460046 is an apocalyptic number.

684460046 is a deficient number, since it is larger than the sum of its proper divisors (342341314).

684460046 is a wasteful number, since it uses less digits than its factorization.

684460046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37098.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 684460046 is about 26162.1873321020. The cubic root of 684460046 is about 881.2843015604.

The spelling of 684460046 in words is "six hundred eighty-four million, four hundred sixty thousand, forty-six".

Divisors: 1 2 17207 19889 34414 39778 342230023 684460046