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897874441 = 4987180043
BaseRepresentation
bin110101100001000…
…111101000001001
32022120111202011221
4311201013220021
53314323440231
6225032322041
731151543512
oct6541075011
92276452157
10897874441
114209103a2
12210843321
13114031069
1487365a09
1553c5bd11
hex35847a09

897874441 has 4 divisors (see below), whose sum is σ = 898059472. Its totient is φ = 897689412.

The previous prime is 897874399. The next prime is 897874463. The reversal of 897874441 is 144478798.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 897874441 - 29 = 897873929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897874541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85035 + ... + 95008.

It is an arithmetic number, because the mean of its divisors is an integer number (224514868).

Almost surely, 2897874441 is an apocalyptic number.

It is an amenable number.

897874441 is a deficient number, since it is larger than the sum of its proper divisors (185031).

897874441 is a wasteful number, since it uses less digits than its factorization.

897874441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185030.

The product of its digits is 1806336, while the sum is 52.

The square root of 897874441 is about 29964.5530752588. The cubic root of 897874441 is about 964.7287096575.

The spelling of 897874441 in words is "eight hundred ninety-seven million, eight hundred seventy-four thousand, four hundred forty-one".

Divisors: 1 4987 180043 897874441