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3898395000 = 23335467431
BaseRepresentation
bin1110100001011100…
…1100100101111000
3101001200111222121000
43220113030211320
530440442120000
61442500045000
7165414545043
oct35027144570
911050458530
103898395000
1117205a6955
12909693760
134a1868506
1428da65c5a
1517c3a5000
hexe85cc978

3898395000 has 320 divisors, whose sum is σ = 13765593600. Its totient is φ = 1021680000.

The previous prime is 3898394971. The next prime is 3898395013. The reversal of 3898395000 is 5938983.

3898395000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9044785 + ... + 9045215.

It is an arithmetic number, because the mean of its divisors is an integer number (43017480).

Almost surely, 23898395000 is an apocalyptic number.

3898395000 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 3898395000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6882796800).

3898395000 is an abundant number, since it is smaller than the sum of its proper divisors (9867198600).

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

3898395000 is a wasteful number, since it uses less digits than its factorization.

3898395000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 3898395000 is about 62437.1283772724. The cubic root of 3898395000 is about 1573.8449581343.

The spelling of 3898395000 in words is "three billion, eight hundred ninety-eight million, three hundred ninety-five thousand".