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3749480289 = 32204112
BaseRepresentation
bin1101111101111100…
…1000011101100001
3100200022022100000100
43133133020131201
530134331332124
61420020213013
7161626025262
oct33737103541
910608270010
103749480289
111654536045
1288783a169
13479a595b9
14277d80969
1516e28c1c9
hexdf7c8761

3749480289 has 9 divisors (see below), whose sum is σ = 5416181329. Its totient is φ = 2499531060.

The previous prime is 3749480281. The next prime is 3749480291. The reversal of 3749480289 is 9820849473.

The square root of 3749480289 is 61233.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3749480289 - 23 = 3749480281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3749480281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 173494 + ... + 193904.

Almost surely, 23749480289 is an apocalyptic number.

3749480289 is the 61233-rd square number.

3749480289 is the 30617-th centered octagonal number.

It is an amenable number.

3749480289 is a deficient number, since it is larger than the sum of its proper divisors (1666701040).

3749480289 is an frugal number, since it uses more digits than its factorization.

3749480289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40828 (or 20414 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The cubic root of 3749480289 is about 1553.5444779761.

The spelling of 3749480289 in words is "three billion, seven hundred forty-nine million, four hundred eighty thousand, two hundred eighty-nine".

Divisors: 1 3 9 20411 61233 183699 416608921 1249826763 3749480289