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874687961 = 71714949331
BaseRepresentation
bin110100001000101…
…010110111011001
32020221212202022102
4310020222313121
53242410003321
6222443333145
730450503450
oct6410526731
92227782272
10874687961
11409814014
12204b211b5
1310c2a3454
148424bb97
1551bcbc0b
hex3422add9

874687961 has 16 divisors (see below), whose sum is σ = 1065571200. Its totient is φ = 700880640.

The previous prime is 874687951. The next prime is 874687969. The reversal of 874687961 is 169786478.

874687961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 874687961 - 210 = 874686937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 874687897 and 874687906.

It is not an unprimeable number, because it can be changed into a prime (874687969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6935 + ... + 42396.

It is an arithmetic number, because the mean of its divisors is an integer number (66598200).

Almost surely, 2874687961 is an apocalyptic number.

It is an amenable number.

874687961 is a deficient number, since it is larger than the sum of its proper divisors (190883239).

874687961 is a wasteful number, since it uses less digits than its factorization.

874687961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49504.

The product of its digits is 4064256, while the sum is 56.

The square root of 874687961 is about 29575.1240234086. The cubic root of 874687961 is about 956.3518808903.

The spelling of 874687961 in words is "eight hundred seventy-four million, six hundred eighty-seven thousand, nine hundred sixty-one".

Divisors: 1 7 17 119 149 1043 2533 17731 49331 345317 838627 5870389 7350319 51452233 124955423 874687961