Search a number
-
+
2625376380 = 22351129731879
BaseRepresentation
bin1001110001111100…
…0001000001111100
320202222002221100020
42130133001001330
520334044021010
61112302532140
7122026221354
oct23437010174
96688087306
102625376380
111127a58150
12613297050
1332abb9563
141ac969b64
15105744470
hex9c7c107c

2625376380 has 192 divisors, whose sum is σ = 8413977600. Its totient is φ = 605767680.

The previous prime is 2625376363. The next prime is 2625376381. The reversal of 2625376380 is 836735262.

It is a happy number.

It is a super-2 number, since 2×26253763802 = 13785202273323808800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625376381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1396281 + ... + 1398159.

It is an arithmetic number, because the mean of its divisors is an integer number (43822800).

Almost surely, 22625376380 is an apocalyptic number.

2625376380 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 2625376380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4206988800).

2625376380 is an abundant number, since it is smaller than the sum of its proper divisors (5788601220).

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

2625376380 is a wasteful number, since it uses less digits than its factorization.

2625376380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2625376380 is about 51238.4267908374. The cubic root of 2625376380 is about 1379.5280154449.

The spelling of 2625376380 in words is "two billion, six hundred twenty-five million, three hundred seventy-six thousand, three hundred eighty".