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2005201375 = 53293731483
BaseRepresentation
bin111011110000100…
…1111000111011111
312011202010210011121
41313201033013133
513101312421000
6530550231411
7100455634102
oct16741170737
95152123147
102005201375
1193997a521
1247b655567
1325c5789b8
14150450739
15bb08db1a
hex7784f1df

2005201375 has 32 divisors (see below), whose sum is σ = 2597474880. Its totient is φ = 1543651200.

The previous prime is 2005201313. The next prime is 2005201409. The reversal of 2005201375 is 5731025002.

It is not a de Polignac number, because 2005201375 - 29 = 2005200863 is a prime.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1351384 + ... + 1352866.

It is an arithmetic number, because the mean of its divisors is an integer number (81171090).

Almost surely, 22005201375 is an apocalyptic number.

2005201375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2005201375 is a deficient number, since it is larger than the sum of its proper divisors (592273505).

2005201375 is a wasteful number, since it uses less digits than its factorization.

2005201375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2005201375 is about 44779.4749299274. The cubic root of 2005201375 is about 1261.0123247278.

Adding to 2005201375 its reverse (5731025002), we get a palindrome (7736226377).

The spelling of 2005201375 in words is "two billion, five million, two hundred one thousand, three hundred seventy-five".

Divisors: 1 5 25 29 125 145 373 725 1483 1865 3625 7415 9325 10817 37075 43007 46625 54085 185375 215035 270425 553159 1075175 1352125 2765795 5375875 13828975 16041611 69144875 80208055 401040275 2005201375