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340708081 = 748672583
BaseRepresentation
bin10100010011101…
…100101011110001
3212202002202121211
4110103230223301
51144210124311
653450320121
711304654010
oct2423545361
9782082554
10340708081
1116535902a
1296129041
1355781a1c
143336ca77
151eda0821
hex144ecaf1

340708081 has 4 divisors (see below), whose sum is σ = 389380672. Its totient is φ = 292035492.

The previous prime is 340708079. The next prime is 340708117. The reversal of 340708081 is 180807043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 340708081 - 21 = 340708079 is a prime.

It is a super-2 number, since 2×3407080812 = 232163992917405122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340708001) 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, 24336285 + ... + 24336298.

It is an arithmetic number, because the mean of its divisors is an integer number (97345168).

Almost surely, 2340708081 is an apocalyptic number.

It is an amenable number.

340708081 is a deficient number, since it is larger than the sum of its proper divisors (48672591).

340708081 is an equidigital number, since it uses as much as digits as its factorization.

340708081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48672590.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 340708081 is about 18458.2794701998. The cubic root of 340708081 is about 698.4373857911.

The spelling of 340708081 in words is "three hundred forty million, seven hundred eight thousand, eighty-one".

Divisors: 1 7 48672583 340708081