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3899542080 = 263573118719
BaseRepresentation
bin1110100001101110…
…0100101001000000
3101001202200021002110
43220123210221000
530441240321310
61442540415320
7165430363230
oct35033445100
911052607073
103899542080
11172120a755
12909b47540
134a1b7a665
1428dc83cc0
1517c52ed20
hexe86e4a40

3899542080 has 224 divisors, whose sum is σ = 14606991360. Its totient is φ = 862525440.

The previous prime is 3899542079. The next prime is 3899542081. The reversal of 3899542080 is 802459983.

It is an interprime number because it is at equal distance from previous prime (3899542079) and next prime (3899542081).

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3899542081) 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 31 ways as a sum of consecutive naturals, for example, 198961 + ... + 217679.

Almost surely, 23899542080 is an apocalyptic number.

3899542080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3899542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7303495680).

3899542080 is an abundant number, since it is smaller than the sum of its proper divisors (10707449280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3899542080 is a wasteful number, since it uses less digits than its factorization.

3899542080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18777 (or 18767 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 3899542080 is about 62446.3135821483. The cubic root of 3899542080 is about 1573.9993078975. Note that the first 3 decimals are identical.

The spelling of 3899542080 in words is "three billion, eight hundred ninety-nine million, five hundred forty-two thousand, eighty".