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242212845 = 3572937873
BaseRepresentation
bin11100110111111…
…01111111101101
3121212202200120010
432123331333231
5444001302340
640011243433
76000526620
oct1633757755
9555680503
10242212845
111147a5106
1269149579
133b247114
142424ddb7
15163e6b80
hexe6fdfed

242212845 has 32 divisors (see below), whose sum is σ = 444471552. Its totient is φ = 110333952.

The previous prime is 242212837. The next prime is 242212853. The reversal of 242212845 is 548212242.

It is an interprime number because it is at equal distance from previous prime (242212837) and next prime (242212853).

It is not a de Polignac number, because 242212845 - 23 = 242212837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26829 + ... + 34701.

It is an arithmetic number, because the mean of its divisors is an integer number (13889736).

Almost surely, 2242212845 is an apocalyptic number.

It is an amenable number.

242212845 is a deficient number, since it is larger than the sum of its proper divisors (202258707).

242212845 is a wasteful number, since it uses less digits than its factorization.

242212845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8181.

The product of its digits is 10240, while the sum is 30.

The square root of 242212845 is about 15563.1887799384. The cubic root of 242212845 is about 623.3506121271.

The spelling of 242212845 in words is "two hundred forty-two million, two hundred twelve thousand, eight hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 293 879 1465 2051 4395 6153 7873 10255 23619 30765 39365 55111 118095 165333 275555 826665 2306789 6920367 11533945 16147523 34601835 48442569 80737615 242212845