Search a number
-
+
242745472 = 275473467
BaseRepresentation
bin11100111100000…
…00000010000000
3121220202202012001
432132000002000
5444120323342
640030513344
76005205514
oct1636000200
9556682161
10242745472
111150292a2
1269365854
133b3a2698
142434c144
151649e8b7
hexe780080

242745472 has 32 divisors (see below), whose sum is σ = 484618320. Its totient is φ = 121115904.

The previous prime is 242745467. The next prime is 242745487. The reversal of 242745472 is 274547242.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68283 + ... + 71749.

Almost surely, 2242745472 is an apocalyptic number.

It is an amenable number.

242745472 is a deficient number, since it is larger than the sum of its proper divisors (241872848).

242745472 is an equidigital number, since it uses as much as digits as its factorization.

242745472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028 (or 4016 counting only the distinct ones).

The product of its digits is 125440, while the sum is 37.

The square root of 242745472 is about 15580.2911397701. The cubic root of 242745472 is about 623.8071944320.

The spelling of 242745472 in words is "two hundred forty-two million, seven hundred forty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 547 1094 2188 3467 4376 6934 8752 13868 17504 27736 35008 55472 70016 110944 221888 443776 1896449 3792898 7585796 15171592 30343184 60686368 121372736 242745472