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245425312 = 25114671493
BaseRepresentation
bin11101010000011…
…10010010100000
3122002210220020101
432220032102200
51000312102222
640204152144
76040036456
oct1650162240
9562726211
10245425312
11116599740
126a238654
133bb003a2
14248489d6
151682d927
hexea0e4a0

245425312 has 48 divisors (see below), whose sum is σ = 528589152. Its totient is φ = 111243520.

The previous prime is 245425291. The next prime is 245425361. The reversal of 245425312 is 213524542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163638 + ... + 165130.

It is an arithmetic number, because the mean of its divisors is an integer number (11012274).

Almost surely, 2245425312 is an apocalyptic number.

245425312 is a gapful number since it is divisible by the number (22) 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 245425312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264294576).

245425312 is an abundant number, since it is smaller than the sum of its proper divisors (283163840).

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

245425312 is a wasteful number, since it uses less digits than its factorization.

245425312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1973 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 245425312 is about 15666.0560448378. The cubic root of 245425312 is about 626.0943489622.

Adding to 245425312 its reverse (213524542), we get a palindrome (458949854).

The spelling of 245425312 in words is "two hundred forty-five million, four hundred twenty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 467 934 1493 1868 2986 3736 5137 5972 7472 10274 11944 14944 16423 20548 23888 32846 41096 47776 65692 82192 131384 164384 262768 525536 697231 1394462 2788924 5577848 7669541 11155696 15339082 22311392 30678164 61356328 122712656 245425312