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245125530 = 232513535967
BaseRepresentation
bin11101001110001…
…01000110011010
3122002020200000100
432213011012122
51000223004110
640153520230
76034350456
oct1647050632
9562220010
10245125530
11116404491
126a113076
133ba26ac0
14247ab666
15167bebc0
hexe9c519a

245125530 has 192 divisors, whose sum is σ = 721768320. Its totient is φ = 57328128.

The previous prime is 245125523. The next prime is 245125541. The reversal of 245125530 is 35521542.

It is a happy number.

245125530 is a `hidden beast` number, since 2 + 4 + 5 + 125 + 530 = 666.

245125530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245125494 and 245125503.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3658557 + ... + 3658623.

It is an arithmetic number, because the mean of its divisors is an integer number (3759210).

Almost surely, 2245125530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245125530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360884160).

245125530 is an abundant number, since it is smaller than the sum of its proper divisors (476642790).

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

245125530 is a wasteful number, since it uses less digits than its factorization.

245125530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 245125530 is about 15656.4852377537. The cubic root of 245125530 is about 625.8393246168.

The spelling of 245125530 in words is "two hundred forty-five million, one hundred twenty-five thousand, five hundred thirty".