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123245345 = 540161469
BaseRepresentation
bin1110101100010…
…01001100100001
322120220111211102
413112021030201
5223022322340
620121324145
73024365606
oct726111441
9276814742
10123245345
1163629063
1235336655
131c6c2152
14125226ad
15ac47215
hex7589321

123245345 has 8 divisors (see below), whose sum is σ = 148265640. Its totient is φ = 98348800.

The previous prime is 123245249. The next prime is 123245357. The reversal of 123245345 is 543542321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76020961 + 47224384 = 8719^2 + 6872^2 .

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

It is not a de Polignac number, because 123245345 - 222 = 119051041 is a prime.

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, 28730 + ... + 32739.

It is an arithmetic number, because the mean of its divisors is an integer number (18533205).

Almost surely, 2123245345 is an apocalyptic number.

It is an amenable number.

123245345 is a deficient number, since it is larger than the sum of its proper divisors (25020295).

123245345 is an equidigital number, since it uses as much as digits as its factorization.

123245345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61875.

The product of its digits is 14400, while the sum is 29.

The square root of 123245345 is about 11101.5920029516. The cubic root of 123245345 is about 497.6494269290.

Adding to 123245345 its reverse (543542321), we get a palindrome (666787666).

The spelling of 123245345 in words is "one hundred twenty-three million, two hundred forty-five thousand, three hundred forty-five".

Divisors: 1 5 401 2005 61469 307345 24649069 123245345