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874678489 = 13956311177
BaseRepresentation
bin110100001000101…
…000100011011001
32020221212021022121
4310020220203121
53242404202424
6222443221241
730450434026
oct6410504331
92227767277
10874678489
11409807993
12204b17821
1310c29c049
148424854d
1551bc8ee4
hex342288d9

874678489 has 8 divisors (see below), whose sum is σ = 882614880. Its totient is φ = 866765856.

The previous prime is 874678487. The next prime is 874678499. The reversal of 874678489 is 984876478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 874678489 - 21 = 874678487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874678487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72669 + ... + 83845.

It is an arithmetic number, because the mean of its divisors is an integer number (110326860).

Almost surely, 2874678489 is an apocalyptic number.

It is an amenable number.

874678489 is a deficient number, since it is larger than the sum of its proper divisors (7936391).

874678489 is a wasteful number, since it uses less digits than its factorization.

874678489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11879.

The product of its digits is 21676032, while the sum is 61.

The square root of 874678489 is about 29574.9638883972. The cubic root of 874678489 is about 956.3484287649.

The spelling of 874678489 in words is "eight hundred seventy-four million, six hundred seventy-eight thousand, four hundred eighty-nine".

Divisors: 1 139 563 11177 78257 1553603 6292651 874678489