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242705043 = 3275417121
BaseRepresentation
bin11100111011101…
…10001010010011
3121220200200201200
432131312022103
5444113030133
640030002243
76004646610
oct1635661223
9556620650
10242705043
11115000989
1269346383
133b38a169
142433b507
1516492913
hexe776293

242705043 has 24 divisors (see below), whose sum is σ = 401452896. Its totient is φ = 138412800.

The previous prime is 242705033. The next prime is 242705053. The reversal of 242705043 is 340507242.

It is an interprime number because it is at equal distance from previous prime (242705033) and next prime (242705053).

It is not a de Polignac number, because 242705043 - 25 = 242705011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242704998 and 242705016.

It is not an unprimeable number, because it can be changed into a prime (242705003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30523 + ... + 37643.

It is an arithmetic number, because the mean of its divisors is an integer number (16727204).

Almost surely, 2242705043 is an apocalyptic number.

242705043 is a deficient number, since it is larger than the sum of its proper divisors (158747853).

242705043 is a wasteful number, since it uses less digits than its factorization.

242705043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675 (or 7672 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 242705043 is about 15578.9936452904. The cubic root of 242705043 is about 623.7725610344.

The spelling of 242705043 in words is "two hundred forty-two million, seven hundred five thousand, forty-three".

Divisors: 1 3 7 9 21 63 541 1623 3787 4869 7121 11361 21363 34083 49847 64089 149541 448623 3852461 11557383 26967227 34672149 80901681 242705043