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245325400 = 235210311909
BaseRepresentation
bin11101001111101…
…01111001011000
3122002121211011221
432213311321120
51000300403100
640202101424
76036142255
oct1647657130
9562554157
10245325400
11116530671
126a1aa874
133ba96a78
142482042c
151680e01a
hexe9f5e58

245325400 has 48 divisors (see below), whose sum is σ = 575967600. Its totient is φ = 97169280.

The previous prime is 245325389. The next prime is 245325433. The reversal of 245325400 is 4523542.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14646 + ... + 26554.

It is an arithmetic number, because the mean of its divisors is an integer number (11999325).

Almost surely, 2245325400 is an apocalyptic number.

245325400 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 245325400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287983800).

245325400 is an abundant number, since it is smaller than the sum of its proper divisors (330642200).

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

245325400 is a wasteful number, since it uses less digits than its factorization.

245325400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12028 (or 12019 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245325400 is about 15662.8669150957. The cubic root of 245325400 is about 626.0093769754.

Adding to 245325400 its reverse (4523542), we get a palindrome (249848942).

The spelling of 245325400 in words is "two hundred forty-five million, three hundred twenty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 103 200 206 412 515 824 1030 2060 2575 4120 5150 10300 11909 20600 23818 47636 59545 95272 119090 238180 297725 476360 595450 1190900 1226627 2381800 2453254 4906508 6133135 9813016 12266270 24532540 30665675 49065080 61331350 122662700 245325400