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3894748497 = 321921279439
BaseRepresentation
bin1110100000100101…
…0010010101010001
3101001102122201112100
43220021102111101
530434023422442
61442245551013
7165341546613
oct35011222521
911042581470
103894748497
111719536212
12908415469
134a0b8c813
1428d396db3
1517bdd484c
hexe8252551

3894748497 has 36 divisors (see below), whose sum is σ = 5984808960. Its totient is φ = 2440213776.

The previous prime is 3894748471. The next prime is 3894748537. The reversal of 3894748497 is 7948474983.

3894748497 is a `hidden beast` number, since 3 + 89 + 474 + 84 + 9 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2k-3894748497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3894768497) 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 35 ways as a sum of consecutive naturals, for example, 407904 + ... + 417342.

Almost surely, 23894748497 is an apocalyptic number.

It is an amenable number.

3894748497 is a deficient number, since it is larger than the sum of its proper divisors (2090060463).

3894748497 is a wasteful number, since it uses less digits than its factorization.

3894748497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9610 (or 9588 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The square root of 3894748497 is about 62407.9201464045. The cubic root of 3894748497 is about 1573.3540876869.

The spelling of 3894748497 in words is "three billion, eight hundred ninety-four million, seven hundred forty-eight thousand, four hundred ninety-seven".

Divisors: 1 3 9 19 57 127 171 361 381 1083 1143 2413 3249 7239 9439 21717 28317 45847 84951 137541 179341 412623 538023 1198753 1614069 3407479 3596259 10222437 10788777 22776307 30667311 68328921 204986763 432749833 1298249499 3894748497