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3872025493 = 72579214481
BaseRepresentation
bin1110011011001010…
…0110101110010101
3100222211220021102121
43212302212232111
530412214303433
61440114535541
7164644450030
oct34662465625
910884807377
103872025493
111707726076
129008975b1
13499264b5b
1428a360017
15179de6c2d
hexe6ca6b95

3872025493 has 8 divisors (see below), whose sum is σ = 4426908480. Its totient is φ = 3317576640.

The previous prime is 3872025491. The next prime is 3872025497. The reversal of 3872025493 is 3945202783.

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

It is not a de Polignac number, because 3872025493 - 21 = 3872025491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872025491) 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, 89188 + ... + 125293.

It is an arithmetic number, because the mean of its divisors is an integer number (553363560).

Almost surely, 23872025493 is an apocalyptic number.

It is an amenable number.

3872025493 is a deficient number, since it is larger than the sum of its proper divisors (554882987).

3872025493 is a wasteful number, since it uses less digits than its factorization.

3872025493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217067.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 3872025493 is about 62225.6015880923. The cubic root of 3872025493 is about 1570.2883283187.

The spelling of 3872025493 in words is "three billion, eight hundred seventy-two million, twenty-five thousand, four hundred ninety-three".

Divisors: 1 7 2579 18053 214481 1501367 553146499 3872025493