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2025082620 = 2234511210331
BaseRepresentation
bin111100010110100…
…0100111011111100
312020010112212010000
41320231010323330
513121410120440
6532540314300
7101116626651
oct17055047374
95203485100
102025082620
1194a119600
12486242990
1326371a052
14152d47c28
15bcbb9730
hex78b44efc

2025082620 has 180 divisors, whose sum is σ = 6983460792. Its totient is φ = 490881600.

The previous prime is 2025082601. The next prime is 2025082637. The reversal of 2025082620 is 262805202.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 190855 + ... + 201185.

Almost surely, 22025082620 is an apocalyptic number.

2025082620 is a gapful number since it is divisible by the number (20) 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 2025082620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3491730396).

2025082620 is an abundant number, since it is smaller than the sum of its proper divisors (4958378172).

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

2025082620 is a wasteful number, since it uses less digits than its factorization.

2025082620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10374 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2025082620 is about 45000.9179906366. The cubic root of 2025082620 is about 1265.1662037450.

Adding to 2025082620 its reverse (262805202), we get a palindrome (2287887822).

The spelling of 2025082620 in words is "two billion, twenty-five million, eighty-two thousand, six hundred twenty".