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342862381 = 1911795091
BaseRepresentation
bin10100011011111…
…010101000101101
3212220011012202201
4110123322220231
51200233044011
654004421501
711332165531
oct2433725055
9786135681
10342862381
1116659a644
12969a7891
1356057464
143376dbc1
1520178cc1
hex146faa2d

342862381 has 4 divisors (see below), whose sum is σ = 344657664. Its totient is φ = 341067100.

The previous prime is 342862379. The next prime is 342862411. The reversal of 342862381 is 183268243.

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 a cyclic number.

It is not a de Polignac number, because 342862381 - 21 = 342862379 is a prime.

It is a super-2 number, since 2×3428623812 = 235109224609978322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342862381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342862361) 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, 897355 + ... + 897736.

It is an arithmetic number, because the mean of its divisors is an integer number (86164416).

Almost surely, 2342862381 is an apocalyptic number.

It is an amenable number.

342862381 is a deficient number, since it is larger than the sum of its proper divisors (1795283).

342862381 is a wasteful number, since it uses less digits than its factorization.

342862381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795282.

The product of its digits is 55296, while the sum is 37.

The square root of 342862381 is about 18516.5434409341. The cubic root of 342862381 is about 699.9063691093.

The spelling of 342862381 in words is "three hundred forty-two million, eight hundred sixty-two thousand, three hundred eighty-one".

Divisors: 1 191 1795091 342862381