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45077369 = 157287117
BaseRepresentation
bin1010101111110…
…1001101111001
310010211011112012
42223331031321
543014433434
64250055305
71055102621
oct253751571
9103734465
1045077369
1123499327
121311a535
1394538cc
145db5881
153e563ce
hex2afd379

45077369 has 4 divisors (see below), whose sum is σ = 45364644. Its totient is φ = 44790096.

The previous prime is 45077323. The next prime is 45077377. The reversal of 45077369 is 96377054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96377054 = 248188527.

It can be written as a sum of positive squares in 2 ways, for example, as 6786025 + 38291344 = 2605^2 + 6188^2 .

It is a cyclic number.

It is not a de Polignac number, because 45077369 - 216 = 45011833 is a prime.

It is a super-2 number, since 2×450773692 = 4063938391924322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45077269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143402 + ... + 143715.

It is an arithmetic number, because the mean of its divisors is an integer number (11341161).

Almost surely, 245077369 is an apocalyptic number.

It is an amenable number.

45077369 is a deficient number, since it is larger than the sum of its proper divisors (287275).

45077369 is a wasteful number, since it uses less digits than its factorization.

45077369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287274.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 45077369 is about 6713.9682006992. The cubic root of 45077369 is about 355.8930606077.

The spelling of 45077369 in words is "forty-five million, seventy-seven thousand, three hundred sixty-nine".

Divisors: 1 157 287117 45077369