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242748590 = 2579373701
BaseRepresentation
bin11100111100000…
…00110010101110
3121220202220110112
432132000302232
5444120423330
640030540022
76005220560
oct1636006256
9556686415
10242748590
11115030677
1269367612
133b3a3c26
142434d330
15164a0795
hexe780cae

242748590 has 32 divisors (see below), whose sum is σ = 500036544. Its totient is φ = 83116800.

The previous prime is 242748587. The next prime is 242748607. The reversal of 242748590 is 95847242.

242748590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63740 + ... + 67440.

It is an arithmetic number, because the mean of its divisors is an integer number (15626142).

Almost surely, 2242748590 is an apocalyptic number.

242748590 is an abundant number, since it is smaller than the sum of its proper divisors (257287954).

242748590 is a wasteful number, since it uses less digits than its factorization.

242748590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 242748590 is about 15580.3912017638. The cubic root of 242748590 is about 623.8098652989.

The spelling of 242748590 in words is "two hundred forty-two million, seven hundred forty-eight thousand, five hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 937 1874 3701 4685 6559 7402 9370 13118 18505 25907 32795 37010 51814 65590 129535 259070 3467837 6935674 17339185 24274859 34678370 48549718 121374295 242748590