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14751428 = 223687857
BaseRepresentation
bin111000010001…
…011011000100
31000202110011012
4320101123010
512234021203
61244101352
7236246036
oct70213304
930673135
1014751428
118365a6a
124b34858
133096473
141d5dc56
151465bd8
hexe116c4

14751428 has 6 divisors (see below), whose sum is σ = 25815006. Its totient is φ = 7375712.

The previous prime is 14751421. The next prime is 14751439. The reversal of 14751428 is 82415741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7739524 + 7011904 = 2782^2 + 2648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14751394 and 14751403.

It is not an unprimeable number, because it can be changed into a prime (14751421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843925 + ... + 1843932.

It is an arithmetic number, because the mean of its divisors is an integer number (4302501).

Almost surely, 214751428 is an apocalyptic number.

It is an amenable number.

14751428 is a deficient number, since it is larger than the sum of its proper divisors (11063578).

14751428 is a wasteful number, since it uses less digits than its factorization.

14751428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687861 (or 3687859 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 14751428 is about 3840.7587791998. The cubic root of 14751428 is about 245.2513206165.

The spelling of 14751428 in words is "fourteen million, seven hundred fifty-one thousand, four hundred twenty-eight".

Divisors: 1 2 4 3687857 7375714 14751428