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354411421 = 7132417307
BaseRepresentation
bin10101000111111…
…110001110011101
3220200212222001221
4111013332032131
51211212131141
655100133341
711532306310
oct2507761635
9820788057
10354411421
11172068601
129a837251
135856c100
14350d8977
15211aabd1
hex151fe39d

354411421 has 24 divisors (see below), whose sum is σ = 449354304. Its totient is φ = 273536640.

The previous prime is 354411383. The next prime is 354411469. The reversal of 354411421 is 124114453.

It is not a de Polignac number, because 354411421 - 211 = 354409373 is a prime.

It is a super-3 number, since 3×3544114213 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354411521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44850 + ... + 52156.

It is an arithmetic number, because the mean of its divisors is an integer number (18723096).

Almost surely, 2354411421 is an apocalyptic number.

It is an amenable number.

354411421 is a deficient number, since it is larger than the sum of its proper divisors (94942883).

354411421 is a wasteful number, since it uses less digits than its factorization.

354411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381 (or 7368 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 354411421 is about 18825.8179370778. The cubic root of 354411421 is about 707.6783393397.

Adding to 354411421 its reverse (124114453), we get a palindrome (478525874).

The spelling of 354411421 in words is "three hundred fifty-four million, four hundred eleven thousand, four hundred twenty-one".

Divisors: 1 7 13 41 91 169 287 533 1183 3731 6929 7307 48503 51149 94991 299587 664937 1234883 2097109 3894631 8644181 27262417 50630203 354411421