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13992448 = 2927329
BaseRepresentation
bin110101011000…
…001000000000
3222022220000211
4311120020000
512040224243
61215523504
7226635211
oct65301000
928286024
1013992448
117997808
124829594
132b8bb72
141c03408
151365d9d
hexd58200

13992448 has 20 divisors (see below), whose sum is σ = 27958590. Its totient is φ = 6995968.

The previous prime is 13992443. The next prime is 13992449. The reversal of 13992448 is 84429931.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 1937664 = 3472^2 + 1392^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13992448.

It is not an unprimeable number, because it can be changed into a prime (13992443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13153 + ... + 14176.

Almost surely, 213992448 is an apocalyptic number.

It is an amenable number.

13992448 is a deficient number, since it is larger than the sum of its proper divisors (13966142).

13992448 is an frugal number, since it uses more digits than its factorization.

13992448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27347 (or 27331 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 13992448 is about 3740.6480721928. The cubic root of 13992448 is about 240.9708819696.

The spelling of 13992448 in words is "thirteen million, nine hundred ninety-two thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 27329 54658 109316 218632 437264 874528 1749056 3498112 6996224 13992448