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342644413 = 3371016749
BaseRepresentation
bin10100011011000…
…101011010111101
3212212202010202211
4110123011122331
51200204110123
654000020421
711330300206
oct2433053275
9785663684
10342644413
11166460901
1296901711
1355cac197
14337145ad
152013440d
hex146c56bd

342644413 has 4 divisors (see below), whose sum is σ = 343661500. Its totient is φ = 341627328.

The previous prime is 342644411. The next prime is 342644513. The reversal of 342644413 is 314446243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314446243 = 1312400353.

It can be written as a sum of positive squares in 2 ways, for example, as 235376964 + 107267449 = 15342^2 + 10357^2 .

It is a cyclic number.

It is not a de Polignac number, because 342644413 - 21 = 342644411 is a prime.

It is a super-2 number, since 2×3426444132 = 234810387520229138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342644411) 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, 508038 + ... + 508711.

It is an arithmetic number, because the mean of its divisors is an integer number (85915375).

Almost surely, 2342644413 is an apocalyptic number.

It is an amenable number.

342644413 is a deficient number, since it is larger than the sum of its proper divisors (1017087).

342644413 is a wasteful number, since it uses less digits than its factorization.

342644413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017086.

The product of its digits is 27648, while the sum is 31.

The square root of 342644413 is about 18510.6567414557. The cubic root of 342644413 is about 699.7580204425.

The spelling of 342644413 in words is "three hundred forty-two million, six hundred forty-four thousand, four hundred thirteen".

Divisors: 1 337 1016749 342644413