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14940945 = 325291072
BaseRepresentation
bin111000111111…
…101100010001
31001010002010100
4320333230101
512311102240
61252123013
7240665415
oct70775421
931102110
1014940945
118485398
125006469
1331317c6
141dacd45
1514a1e30
hexe3fb11

14940945 has 36 divisors (see below), whose sum is σ = 27043380. Its totient is φ = 7621824.

The previous prime is 14940941. The next prime is 14940979. The reversal of 14940945 is 54904941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 8346321 = 2568^2 + 2889^2 .

It is not a de Polignac number, because 14940945 - 22 = 14940941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14940941) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 139582 + ... + 139688.

It is an arithmetic number, because the mean of its divisors is an integer number (751205).

Almost surely, 214940945 is an apocalyptic number.

14940945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14940945 is a deficient number, since it is larger than the sum of its proper divisors (12102435).

14940945 is a wasteful number, since it uses less digits than its factorization.

14940945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 14940945 is about 3865.3518597923. The cubic root of 14940945 is about 246.2971325347.

The spelling of 14940945 in words is "fourteen million, nine hundred forty thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 29 45 87 107 145 261 321 435 535 963 1305 1605 3103 4815 9309 11449 15515 27927 34347 46545 57245 103041 139635 171735 332021 515205 996063 1660105 2988189 4980315 14940945