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342489741 = 31110378477
BaseRepresentation
bin10100011010011…
…111101010001101
3212212110021121020
4110122133222031
51200134132431
653552424353
711326054236
oct2432375215
9785407536
10342489741
11166365680
12968480b9
1355c56969
14336b408d
1520103696
hex1469fa8d

342489741 has 8 divisors (see below), whose sum is σ = 498166944. Its totient is φ = 207569520.

The previous prime is 342489737. The next prime is 342489781. The reversal of 342489741 is 147984243.

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

It is not a de Polignac number, because 342489741 - 22 = 342489737 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 342489693 and 342489702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342489731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189206 + ... + 5189271.

It is an arithmetic number, because the mean of its divisors is an integer number (62270868).

Almost surely, 2342489741 is an apocalyptic number.

It is an amenable number.

342489741 is a deficient number, since it is larger than the sum of its proper divisors (155677203).

342489741 is a wasteful number, since it uses less digits than its factorization.

342489741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378491.

The product of its digits is 193536, while the sum is 42.

The square root of 342489741 is about 18506.4783521879. The cubic root of 342489741 is about 699.6527127648.

The spelling of 342489741 in words is "three hundred forty-two million, four hundred eighty-nine thousand, seven hundred forty-one".

Divisors: 1 3 11 33 10378477 31135431 114163247 342489741