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3748731427 = 7276504723
BaseRepresentation
bin1101111101110001…
…0001101000100011
3100200020220021202201
43133130101220203
530134133401202
61415552154031
7161616456100
oct33734215043
910606807681
103748731427
111654074451
12887538917
1347985679c
14277c27aa7
1516e190387
hexdf711a23

3748731427 has 6 divisors (see below), whose sum is σ = 4360769268. Its totient is φ = 3213198324.

The previous prime is 3748731401. The next prime is 3748731431. The reversal of 3748731427 is 7241378473.

It is not a de Polignac number, because 3748731427 - 219 = 3748207139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3748731127) 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 5 ways as a sum of consecutive naturals, for example, 38252313 + ... + 38252410.

It is an arithmetic number, because the mean of its divisors is an integer number (726794878).

Almost surely, 23748731427 is an apocalyptic number.

3748731427 is a deficient number, since it is larger than the sum of its proper divisors (612037841).

3748731427 is an equidigital number, since it uses as much as digits as its factorization.

3748731427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76504737 (or 76504730 counting only the distinct ones).

The product of its digits is 790272, while the sum is 46.

The square root of 3748731427 is about 61226.8848382800. The cubic root of 3748731427 is about 1553.4410442736.

The spelling of 3748731427 in words is "three billion, seven hundred forty-eight million, seven hundred thirty-one thousand, four hundred twenty-seven".

Divisors: 1 7 49 76504723 535533061 3748731427