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745441025 = 52753179449
BaseRepresentation
bin101100011011101…
…000011100000001
31220221200022211212
4230123220130001
53011313103100
6201545215505
724321100310
oct5433503401
91827608755
10745441025
1135286696a
12189791595
13bb58c684
1471006277
154569b635
hex2c6e8701

745441025 has 48 divisors (see below), whose sum is σ = 1084752000. Its totient is φ = 497602560.

The previous prime is 745441001. The next prime is 745441057. The reversal of 745441025 is 520144547.

It is not a de Polignac number, because 745441025 - 218 = 745178881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 745440982 and 745441000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1660001 + ... + 1660449.

It is an arithmetic number, because the mean of its divisors is an integer number (22599000).

Almost surely, 2745441025 is an apocalyptic number.

It is an amenable number.

745441025 is a deficient number, since it is larger than the sum of its proper divisors (339310975).

745441025 is a wasteful number, since it uses less digits than its factorization.

745441025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 745441025 is about 27302.7658855289. The cubic root of 745441025 is about 906.7156186775.

The spelling of 745441025 in words is "seven hundred forty-five million, four hundred forty-one thousand, twenty-five".

Divisors: 1 5 7 25 35 53 175 179 265 371 449 895 1253 1325 1855 2245 3143 4475 6265 9275 9487 11225 15715 23797 31325 47435 66409 78575 80371 118985 166579 237175 332045 401855 562597 594925 832895 1660225 2009275 2812985 4164475 4259663 14064925 21298315 29817641 106491575 149088205 745441025