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632240605 = 5241524681
BaseRepresentation
bin100101101011110…
…011100111011101
31122001200011001201
4211223303213131
52243323144410
6142423035501
721444646033
oct4553634735
91561604051
10632240605
112a49797a7
1215789bb91
13a0ca6689
145dd7a553
153a78a83a
hex25af39dd

632240605 has 8 divisors (see below), whose sum is σ = 761838264. Its totient is φ = 503692800.

The previous prime is 632240597. The next prime is 632240617. The reversal of 632240605 is 506042236.

It is a happy number.

632240605 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 253510084 + 378730521 = 15922^2 + 19461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 632240605 - 23 = 632240597 is a prime.

It is a super-2 number, since 2×6322406052 = 799456365221532050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261136 + ... + 263545.

It is an arithmetic number, because the mean of its divisors is an integer number (95229783).

Almost surely, 2632240605 is an apocalyptic number.

It is an amenable number.

632240605 is a deficient number, since it is larger than the sum of its proper divisors (129597659).

632240605 is a wasteful number, since it uses less digits than its factorization.

632240605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524927.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 632240605 is about 25144.3951010956. The cubic root of 632240605 is about 858.2769742951.

The spelling of 632240605 in words is "six hundred thirty-two million, two hundred forty thousand, six hundred five".

Divisors: 1 5 241 1205 524681 2623405 126448121 632240605