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342347020 = 225171815563
BaseRepresentation
bin10100011001111…
…100110100001100
3212212012000211021
4110121330310030
51200120101040
653545403524
711324621161
oct2431746414
9785160737
10342347020
11166278424
12967995a4
1355c06a02
1433678068
15200c624a
hex1467cd0c

342347020 has 48 divisors (see below), whose sum is σ = 765561888. Its totient is φ = 128148480.

The previous prime is 342346993. The next prime is 342347021. The reversal of 342347020 is 20743243.

It is not an unprimeable number, because it can be changed into a prime (342347021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58759 + ... + 64321.

It is an arithmetic number, because the mean of its divisors is an integer number (15949206).

Almost surely, 2342347020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342347020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382780944).

342347020 is an abundant number, since it is smaller than the sum of its proper divisors (423214868).

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

342347020 is a wasteful number, since it uses less digits than its factorization.

342347020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770 (or 5768 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 342347020 is about 18502.6219763578. The cubic root of 342347020 is about 699.5555137381. Note that the first 4 decimals are identical.

The spelling of 342347020 in words is "three hundred forty-two million, three hundred forty-seven thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 181 340 362 724 905 1810 3077 3620 5563 6154 11126 12308 15385 22252 27815 30770 55630 61540 94571 111260 189142 378284 472855 945710 1006903 1891420 2013806 4027612 5034515 10069030 17117351 20138060 34234702 68469404 85586755 171173510 342347020