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342881900 = 22523428819
BaseRepresentation
bin10100011011111…
…111011001101100
3212220012012112122
4110123333121230
51200234210100
654005052112
711332306454
oct2433773154
9786165478
10342881900
11166603279
12969b7038
13560632ca
1433776d64
152017e985
hex146ff66c

342881900 has 18 divisors (see below), whose sum is σ = 744053940. Its totient is φ = 137152720.

The previous prime is 342881887. The next prime is 342881909. The reversal of 342881900 is 9188243.

It is a happy number.

It is a super-2 number, since 2×3428819002 = 235135994695220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342881909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1714310 + ... + 1714509.

It is an arithmetic number, because the mean of its divisors is an integer number (41336330).

Almost surely, 2342881900 is an apocalyptic number.

It is an amenable number.

342881900 is an abundant number, since it is smaller than the sum of its proper divisors (401172040).

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

342881900 is a wasteful number, since it uses less digits than its factorization.

342881900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428833 (or 3428826 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 342881900 is about 18517.0705026470. The cubic root of 342881900 is about 699.9196506414.

The spelling of 342881900 in words is "three hundred forty-two million, eight hundred eighty-one thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3428819 6857638 13715276 17144095 34288190 68576380 85720475 171440950 342881900