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242470 = 2524247
BaseRepresentation
bin111011001100100110
3110022121101
4323030212
530224340
65110314
72026624
oct731446
9408541
10242470
11156198
12b839a
1386497
1464514
154bc9a
hex3b326

242470 has 8 divisors (see below), whose sum is σ = 436464. Its totient is φ = 96984.

The previous prime is 242467. The next prime is 242479. The reversal of 242470 is 74242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12114 + ... + 12133.

It is an arithmetic number, because the mean of its divisors is an integer number (54558).

2242470 is an apocalyptic number.

242470 is a deficient number, since it is larger than the sum of its proper divisors (193994).

242470 is a wasteful number, since it uses less digits than its factorization.

242470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24254.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 242470 is about 492.4124287627. The cubic root of 242470 is about 62.3571135845.

The spelling of 242470 in words is "two hundred forty-two thousand, four hundred seventy", and thus it is an iban number.

Divisors: 1 2 5 10 24247 48494 121235 242470