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348145045 = 569629009
BaseRepresentation
bin10100110000000…
…100010110010101
3220021002121012221
4110300010112111
51203111120140
654313542341
711425120063
oct2460042625
9807077187
10348145045
11169578586
12987149b1
1357186ab1
1434347033
152086e14a
hex14c04595

348145045 has 4 divisors (see below), whose sum is σ = 417774060. Its totient is φ = 278516032.

The previous prime is 348145013. The next prime is 348145051. The reversal of 348145045 is 540541843.

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 181683441 + 166461604 = 13479^2 + 12902^2 .

It is a cyclic number.

It is not a de Polignac number, because 348145045 - 25 = 348145013 is a prime.

It is a super-3 number, since 3×3481450453 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 348145045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34814500 + ... + 34814509.

It is an arithmetic number, because the mean of its divisors is an integer number (104443515).

Almost surely, 2348145045 is an apocalyptic number.

It is an amenable number.

348145045 is a deficient number, since it is larger than the sum of its proper divisors (69629015).

348145045 is an equidigital number, since it uses as much as digits as its factorization.

348145045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69629014.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 348145045 is about 18658.6453152419. The cubic root of 348145045 is about 703.4826747008.

Adding to 348145045 its reverse (540541843), we get a palindrome (888686888).

The spelling of 348145045 in words is "three hundred forty-eight million, one hundred forty-five thousand, forty-five".

Divisors: 1 5 69629009 348145045