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27072748 = 2223294269
BaseRepresentation
bin110011101000…
…1100011101100
31212221102211101
41213101203230
523412311443
62404132444
7446054203
oct147214354
955842741
1027072748
111431117a
129097124
1357bb7a1
14384a23a
15259b84d
hex19d18ec

27072748 has 12 divisors (see below), whose sum is σ = 49437360. Its totient is φ = 12947792.

The previous prime is 27072743. The next prime is 27072761. The reversal of 27072748 is 84727072.

It is not an unprimeable number, because it can be changed into a prime (27072743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147043 + ... + 147226.

It is an arithmetic number, because the mean of its divisors is an integer number (4119780).

Almost surely, 227072748 is an apocalyptic number.

It is an amenable number.

27072748 is a deficient number, since it is larger than the sum of its proper divisors (22364612).

27072748 is a wasteful number, since it uses less digits than its factorization.

27072748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294296 (or 294294 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 27072748 is about 5203.1478933430. The cubic root of 27072748 is about 300.2691954109.

The spelling of 27072748 in words is "twenty-seven million, seventy-two thousand, seven hundred forty-eight".

Divisors: 1 2 4 23 46 92 294269 588538 1177076 6768187 13536374 27072748