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354420445 = 5547129587
BaseRepresentation
bin10101001000000…
…000011011011101
3220200220102110011
4111020000123131
51211212423240
655100243221
711532344521
oct2510003335
9820812404
10354420445
11172074365
129a840511
1358573252
14350dbd81
15211ad6ea
hex152006dd

354420445 has 8 divisors (see below), whose sum is σ = 426085344. Its totient is φ = 283015824.

The previous prime is 354420421. The next prime is 354420449. The reversal of 354420445 is 544024453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 354420445 - 223 = 346031837 is a prime.

It is a super-2 number, since 2×3544204452 = 251227703667996050, 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 (354420449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62059 + ... + 67528.

It is an arithmetic number, because the mean of its divisors is an integer number (53260668).

Almost surely, 2354420445 is an apocalyptic number.

It is an amenable number.

354420445 is a deficient number, since it is larger than the sum of its proper divisors (71664899).

354420445 is a wasteful number, since it uses less digits than its factorization.

354420445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130139.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 354420445 is about 18826.0576064135. The cubic root of 354420445 is about 707.6843455750.

Adding to 354420445 its reverse (544024453), we get a palindrome (898444898).

The spelling of 354420445 in words is "three hundred fifty-four million, four hundred twenty thousand, four hundred forty-five".

Divisors: 1 5 547 2735 129587 647935 70884089 354420445