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342142451 = 7210765257
BaseRepresentation
bin10100011001001…
…010110111110011
3212211210122012122
4110121022313303
51200042024301
653541144455
711323106600
oct2431126763
9784718178
10342142451
11166148762
12966bb12b
1355b64871
14336236a7
152008581b
hex1464adf3

342142451 has 12 divisors (see below), whose sum is σ = 401728248. Its totient is φ = 290519712.

The previous prime is 342142429. The next prime is 342142477. The reversal of 342142451 is 154241243.

It is not a de Polignac number, because 342142451 - 26 = 342142387 is a prime.

It is a super-2 number, since 2×3421424512 = 234122913552574802, 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 342142451.

It is not an unprimeable number, because it can be changed into a prime (342142421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27386 + ... + 37871.

It is an arithmetic number, because the mean of its divisors is an integer number (33477354).

Almost surely, 2342142451 is an apocalyptic number.

342142451 is a deficient number, since it is larger than the sum of its proper divisors (59585797).

342142451 is a wasteful number, since it uses less digits than its factorization.

342142451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65378 (or 65371 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 342142451 is about 18497.0930418809. The cubic root of 342142451 is about 699.4161464903.

Adding to 342142451 its reverse (154241243), we get a palindrome (496383694).

The spelling of 342142451 in words is "three hundred forty-two million, one hundred forty-two thousand, four hundred fifty-one".

Divisors: 1 7 49 107 749 5243 65257 456799 3197593 6982499 48877493 342142451