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3890327947 = 11751470927
BaseRepresentation
bin1110011111100001…
…1011000110001011
3101001010100010200021
43213320123012023
530431410443242
61442011121311
7165256145662
oct34770330613
911033303607
103890327947
111716a96a70
12906a43237
1349cca26cc
1428c965dd9
1517b80eb67
hexe7e1b18b

3890327947 has 8 divisors (see below), whose sum is σ = 4249654272. Its totient is φ = 3531945000.

The previous prime is 3890327933. The next prime is 3890327971. The reversal of 3890327947 is 7497230983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3890327947 - 227 = 3756110219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3890327894 and 3890327903.

It is not an unprimeable number, because it can be changed into a prime (3890307947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227203 + ... + 243724.

It is an arithmetic number, because the mean of its divisors is an integer number (531206784).

Almost surely, 23890327947 is an apocalyptic number.

3890327947 is a deficient number, since it is larger than the sum of its proper divisors (359326325).

3890327947 is a wasteful number, since it uses less digits than its factorization.

3890327947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471689.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 3890327947 is about 62372.4935127657. The cubic root of 3890327947 is about 1572.7586086354.

The spelling of 3890327947 in words is "three billion, eight hundred ninety million, three hundred twenty-seven thousand, nine hundred forty-seven".

Divisors: 1 11 751 8261 470927 5180197 353666177 3890327947