Search a number
-
+
1047677085 = 345721331131
BaseRepresentation
bin111110011100100…
…100100010011101
32201000101111210000
4332130210202131
54121201131320
6251543204513
734651052100
oct7634444235
92630344700
101047677085
11498428334
12252a46739
13139091190
149d1dc737
1561e9cc90
hex3e72489d

1047677085 has 240 divisors, whose sum is σ = 2447165952. Its totient is φ = 424569600.

The previous prime is 1047677083. The next prime is 1047677087. The reversal of 1047677085 is 5807767401.

It is an interprime number because it is at equal distance from previous prime (1047677083) and next prime (1047677087).

It is not a de Polignac number, because 1047677085 - 21 = 1047677083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1047677085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047677083) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 7997470 + ... + 7997600.

Almost surely, 21047677085 is an apocalyptic number.

1047677085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047677085 is an abundant number, since it is smaller than the sum of its proper divisors (1399488867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047677085 is a wasteful number, since it uses less digits than its factorization.

1047677085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 1047677085 is about 32367.8402893984. The cubic root of 1047677085 is about 1015.6462788567.

The spelling of 1047677085 in words is "one billion, forty-seven million, six hundred seventy-seven thousand, eighty-five".