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874668929 = 1137740433
BaseRepresentation
bin110100001000100…
…110001110000001
32020221211210012112
4310020212032001
53242403401204
6222443105105
730450364121
oct6410461601
92227753175
10874668929
11409800792
12204b12195
1310c2978a4
1484244c81
1551bc626e
hex34226381

874668929 has 4 divisors (see below), whose sum is σ = 882409476. Its totient is φ = 866928384.

The previous prime is 874668881. The next prime is 874668959. The reversal of 874668929 is 929866478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 929866478 = 2464933239.

It can be written as a sum of positive squares in 2 ways, for example, as 148474225 + 726194704 = 12185^2 + 26948^2 .

It is a cyclic number.

It is not a de Polignac number, because 874668929 - 216 = 874603393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874668959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3870104 + ... + 3870329.

It is an arithmetic number, because the mean of its divisors is an integer number (220602369).

Almost surely, 2874668929 is an apocalyptic number.

It is an amenable number.

874668929 is a deficient number, since it is larger than the sum of its proper divisors (7740547).

874668929 is a wasteful number, since it uses less digits than its factorization.

874668929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740546.

The product of its digits is 10450944, while the sum is 59.

The square root of 874668929 is about 29574.8022647659. The cubic root of 874668929 is about 956.3449445421.

The spelling of 874668929 in words is "eight hundred seventy-four million, six hundred sixty-eight thousand, nine hundred twenty-nine".

Divisors: 1 113 7740433 874668929