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355402045 = 5457155537
BaseRepresentation
bin10101001011110…
…000000100111101
3220202202021221201
4111023300010331
51211440331140
655133255501
711543603365
oct2513600475
9822667851
10355402045
111726848a9
129b034591
1358827c8b
14352b59a5
152130449a
hex152f013d

355402045 has 8 divisors (see below), whose sum is σ = 427418424. Its totient is φ = 283697664.

The previous prime is 355402039. The next prime is 355402067. The reversal of 355402045 is 540204553.

It can be written as a sum of positive squares in 4 ways, for example, as 117440569 + 237961476 = 10837^2 + 15426^2 .

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 355402045 - 29 = 355401533 is a prime.

It is a super-2 number, since 2×3554020452 = 252621227180364050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75484 + ... + 80053.

It is an arithmetic number, because the mean of its divisors is an integer number (53427303).

Almost surely, 2355402045 is an apocalyptic number.

It is an amenable number.

355402045 is a deficient number, since it is larger than the sum of its proper divisors (72016379).

355402045 is a wasteful number, since it uses less digits than its factorization.

355402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155999.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 355402045 is about 18852.1098288759. The cubic root of 355402045 is about 708.3370756281.

Adding to 355402045 its reverse (540204553), we get a palindrome (895606598).

The spelling of 355402045 in words is "three hundred fifty-five million, four hundred two thousand, forty-five".

Divisors: 1 5 457 2285 155537 777685 71080409 355402045