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242228392 = 23715727551
BaseRepresentation
bin11100111000000…
…01110010101000
3121212210110212221
432130001302220
5444002302032
640011443424
76000623140
oct1634016250
9555713787
10242228392
1111480585a
1269156574
133b251213
1424255920
15163eb597
hexe701ca8

242228392 has 32 divisors (see below), whose sum is σ = 522385920. Its totient is φ = 103147200.

The previous prime is 242228351. The next prime is 242228449. The reversal of 242228392 is 293822242.

It is a happy number.

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, 4984 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (16324560).

Almost surely, 2242228392 is an apocalyptic number.

It is an amenable number.

242228392 is an abundant number, since it is smaller than the sum of its proper divisors (280157528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242228392 is a wasteful number, since it uses less digits than its factorization.

242228392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27721 (or 27717 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 242228392 is about 15563.6882518251. The cubic root of 242228392 is about 623.3639489158.

The spelling of 242228392 in words is "two hundred forty-two million, two hundred twenty-eight thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 56 157 314 628 1099 1256 2198 4396 8792 27551 55102 110204 192857 220408 385714 771428 1542856 4325507 8651014 17302028 30278549 34604056 60557098 121114196 242228392