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3898529250 = 2353711217192
BaseRepresentation
bin1110100001011110…
…1101010111100010
3101001200202210202020
43220113231113202
530441010414000
61442503002310
7165415644330
oct35027552742
911050683666
103898529250
111720688800
12909739396
134a18b4655
1428da9cb50
1517c3ceba0
hexe85ed5e2

3898529250 has 576 divisors, whose sum is σ = 13659819264. Its totient is φ = 722304000.

The previous prime is 3898529221. The next prime is 3898529263. The reversal of 3898529250 is 529258983.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3898529193 and 3898529202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 205185741 + ... + 205185759.

It is an arithmetic number, because the mean of its divisors is an integer number (23714964).

Almost surely, 23898529250 is an apocalyptic number.

3898529250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3898529250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6829909632).

3898529250 is an abundant number, since it is smaller than the sum of its proper divisors (9761290014).

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

3898529250 is a wasteful number, since it uses less digits than its factorization.

3898529250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 3898529250 is about 62438.2034494908. The cubic root of 3898529250 is about 1573.8630242239.

The spelling of 3898529250 in words is "three billion, eight hundred ninety-eight million, five hundred twenty-nine thousand, two hundred fifty".