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12457045 = 59192711
BaseRepresentation
bin101111100001…
…010001010101
3212102212212001
4233201101111
511142111140
61122555301
7210611626
oct57412125
925385761
1012457045
117039187
124208b31
132772043
141923a4d
151160e9a
hexbe1455

12457045 has 8 divisors (see below), whose sum is σ = 14970240. Its totient is φ = 9951120.

The previous prime is 12457043. The next prime is 12457051. The reversal of 12457045 is 54075421.

12457045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12457045 - 21 = 12457043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12457043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240 + ... + 5950.

It is an arithmetic number, because the mean of its divisors is an integer number (1871280).

Almost surely, 212457045 is an apocalyptic number.

It is an amenable number.

12457045 is a deficient number, since it is larger than the sum of its proper divisors (2513195).

12457045 is an equidigital number, since it uses as much as digits as its factorization.

12457045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 12457045 is about 3529.4539237678. The cubic root of 12457045 is about 231.8132973235.

The spelling of 12457045 in words is "twelve million, four hundred fifty-seven thousand, forty-five".

Divisors: 1 5 919 2711 4595 13555 2491409 12457045