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115057945 = 5139165551
BaseRepresentation
bin1101101101110…
…10010100011001
322000111112211101
412312322110121
5213423323240
615230031401
72564655622
oct666722431
9260445741
10115057945
1159a46812
1232648561
131aab6632
14113d0a49
15a17b39a
hex6dba519

115057945 has 8 divisors (see below), whose sum is σ = 139063680. Its totient is φ = 91383600.

The previous prime is 115057933. The next prime is 115057967. The reversal of 115057945 is 549750511.

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

It is not a de Polignac number, because 115057945 - 29 = 115057433 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, 82081 + ... + 83470.

It is an arithmetic number, because the mean of its divisors is an integer number (17382960).

Almost surely, 2115057945 is an apocalyptic number.

It is an amenable number.

115057945 is a deficient number, since it is larger than the sum of its proper divisors (24005735).

115057945 is a wasteful number, since it uses less digits than its factorization.

115057945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165695.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 115057945 is about 10726.5066540790. The cubic root of 115057945 is about 486.3760757134.

It can be divided in two parts, 1150 and 57945, that added together give a palindrome (59095).

The spelling of 115057945 in words is "one hundred fifteen million, fifty-seven thousand, nine hundred forty-five".

Divisors: 1 5 139 695 165551 827755 23011589 115057945