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354454645 = 570890929
BaseRepresentation
bin10101001000001…
…000110001110101
3220200222011100211
4111020020301311
51211220022040
655101105421
711532546316
oct2510106165
9820864324
10354454645
11172098026
129a858271
135858599c
143510a60d
15211b88ea
hex15208c75

354454645 has 4 divisors (see below), whose sum is σ = 425345580. Its totient is φ = 283563712.

The previous prime is 354454643. The next prime is 354454663. The reversal of 354454645 is 546454453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65658609 + 288796036 = 8103^2 + 16994^2 .

It is a cyclic number.

It is not a de Polignac number, because 354454645 - 21 = 354454643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354454598 and 354454607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354454643) 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, 35445460 + ... + 35445469.

It is an arithmetic number, because the mean of its divisors is an integer number (106336395).

Almost surely, 2354454645 is an apocalyptic number.

It is an amenable number.

354454645 is a deficient number, since it is larger than the sum of its proper divisors (70890935).

354454645 is an equidigital number, since it uses as much as digits as its factorization.

354454645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70890934.

The product of its digits is 576000, while the sum is 40.

The square root of 354454645 is about 18826.9659000063. The cubic root of 354454645 is about 707.7071076424.

The spelling of 354454645 in words is "three hundred fifty-four million, four hundred fifty-four thousand, six hundred forty-five".

Divisors: 1 5 70890929 354454645