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242743130 = 2573467759
BaseRepresentation
bin11100111011111…
…11011101011010
3121220202121222022
432131333131122
5444120240010
640030454442
76005165630
oct1635773532
9556677868
10242743130
11115027563
1269364422
133b3a15b6
142434b350
151649dd55
hexe77f75a

242743130 has 16 divisors (see below), whose sum is σ = 499357440. Its totient is φ = 83226192.

The previous prime is 242743117. The next prime is 242743141. The reversal of 242743130 is 31347242.

It is a self number, because there is not a number n which added to its sum of digits gives 242743130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733810 + ... + 1733949.

It is an arithmetic number, because the mean of its divisors is an integer number (31209840).

Almost surely, 2242743130 is an apocalyptic number.

242743130 is an abundant number, since it is smaller than the sum of its proper divisors (256614310).

242743130 is a wasteful number, since it uses less digits than its factorization.

242743130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467773.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 242743130 is about 15580.2159805312. The cubic root of 242743130 is about 623.8051882687.

The spelling of 242743130 in words is "two hundred forty-two million, seven hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 3467759 6935518 17338795 24274313 34677590 48548626 121371565 242743130