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3454857545 = 5690971509
BaseRepresentation
bin1100110111101100…
…1111000101001001
322220202220221120212
43031323033011021
524033420420140
61330453330505
7151420542656
oct31573170511
98822827525
103454857545
1115131a4677
12805036a35
134309c2209
1424abaac2d
15153491765
hexcdecf149

3454857545 has 4 divisors (see below), whose sum is σ = 4145829060. Its totient is φ = 2763886032.

The previous prime is 3454857541. The next prime is 3454857557. The reversal of 3454857545 is 5457584543.

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 1749497929 + 1705359616 = 41827^2 + 41296^2 .

It is a cyclic number.

It is not a de Polignac number, because 3454857545 - 22 = 3454857541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3454857493 and 3454857502.

It is not an unprimeable number, because it can be changed into a prime (3454857541) 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, 345485750 + ... + 345485759.

It is an arithmetic number, because the mean of its divisors is an integer number (1036457265).

Almost surely, 23454857545 is an apocalyptic number.

It is an amenable number.

3454857545 is a deficient number, since it is larger than the sum of its proper divisors (690971515).

3454857545 is an equidigital number, since it uses as much as digits as its factorization.

3454857545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690971514.

The product of its digits is 6720000, while the sum is 50.

The square root of 3454857545 is about 58778.0362465437. The cubic root of 3454857545 is about 1511.7386439316.

The spelling of 3454857545 in words is "three billion, four hundred fifty-four million, eight hundred fifty-seven thousand, five hundred forty-five".

Divisors: 1 5 690971509 3454857545