Search a number
-
+
1679234669 = 72353832371
BaseRepresentation
bin110010000010111…
…0001011001101101
311100000202221220122
41210011301121231
511414341002134
6434343454325
756420154620
oct14405613155
94300687818
101679234669
1179197a952
123aa4573a5
13209b889a8
1411d03bdb7
159c65102e
hex6417166d

1679234669 has 32 divisors (see below), whose sum is σ = 2065803264. Its totient is φ = 1333949760.

The previous prime is 1679234651. The next prime is 1679234681. The reversal of 1679234669 is 9664329761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1679234669 is a prime.

It is a super-2 number, since 2×16792346692 = 5639658147143079122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1679234669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679234069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707054 + ... + 709424.

It is an arithmetic number, because the mean of its divisors is an integer number (64556352).

Almost surely, 21679234669 is an apocalyptic number.

It is an amenable number.

1679234669 is a deficient number, since it is larger than the sum of its proper divisors (386568595).

1679234669 is a wasteful number, since it uses less digits than its factorization.

1679234669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537.

The product of its digits is 2939328, while the sum is 53.

The square root of 1679234669 is about 40978.4659180892. The cubic root of 1679234669 is about 1188.6038445729.

The spelling of 1679234669 in words is "one billion, six hundred seventy-nine million, two hundred thirty-four thousand, six hundred sixty-nine".

Divisors: 1 7 23 53 83 161 371 581 1219 1909 2371 4399 8533 13363 16597 30793 54533 101177 125663 196793 381731 708239 879641 1377551 2890249 4526239 10430029 20231743 31683673 73010203 239890667 1679234669