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617343942 = 23102890657
BaseRepresentation
bin100100110010111…
…110101111000110
31121000122022200110
4210302332233012
52231020001232
6141131453450
721204223365
oct4462765706
91530568613
10617343942
11297524706
121528b7286
139ab8c097
145bdbd7dc
15392e6acc
hex24cbebc6

617343942 has 8 divisors (see below), whose sum is σ = 1234687896. Its totient is φ = 205781312.

The previous prime is 617343907. The next prime is 617343949. The reversal of 617343942 is 249343716.

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

617343942 is an admirable number.

It is a super-2 number, since 2×6173439422 = 762227085448198728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 617343942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617343949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51445323 + ... + 51445334.

It is an arithmetic number, because the mean of its divisors is an integer number (154335987).

Almost surely, 2617343942 is an apocalyptic number.

617343942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

617343942 is a wasteful number, since it uses less digits than its factorization.

617343942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102890662.

The product of its digits is 108864, while the sum is 39.

The square root of 617343942 is about 24846.4070239542. The cubic root of 617343942 is about 851.4825071657.

The spelling of 617343942 in words is "six hundred seventeen million, three hundred forty-three thousand, nine hundred forty-two".

Divisors: 1 2 3 6 102890657 205781314 308671971 617343942