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242751005 = 5747173853
BaseRepresentation
bin11100111100000…
…01011000011101
3121220210000202222
432132001120131
5444121013010
640030555125
76005230610
oct1636013035
9556700688
10242751005
11115032472
1269368aa5
133b3a5063
1424350177
15164a1355
hexe78161d

242751005 has 32 divisors (see below), whose sum is σ = 342365184. Its totient is φ = 161784576.

The previous prime is 242750951. The next prime is 242751017. The reversal of 242751005 is 500157242.

242751005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 242751005 - 26 = 242750941 is a prime.

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, 284159 + ... + 285011.

It is an arithmetic number, because the mean of its divisors is an integer number (10698912).

Almost surely, 2242751005 is an apocalyptic number.

It is an amenable number.

242751005 is a deficient number, since it is larger than the sum of its proper divisors (99614179).

242751005 is a wasteful number, since it uses less digits than its factorization.

242751005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 242751005 is about 15580.4687028343. The cubic root of 242751005 is about 623.8119339629.

The spelling of 242751005 in words is "two hundred forty-two million, seven hundred fifty-one thousand, five".

Divisors: 1 5 7 35 47 173 235 329 853 865 1211 1645 4265 5971 6055 8131 29855 40091 40655 56917 147569 200455 280637 284585 737845 1032983 1403185 5164915 6935743 34678715 48550201 242751005