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242636441 = 19101227557
BaseRepresentation
bin11100111011001…
…01011010011001
3121220120012121212
432131211122121
5444103331231
640024312505
76004242605
oct1635453231
9556505555
10242636441
11114a64393
1269312735
133b364b78
1424320505
151647c42b
hexe765699

242636441 has 16 divisors (see below), whose sum is σ = 259536960. Its totient is φ = 226180800.

The previous prime is 242636431. The next prime is 242636447. The reversal of 242636441 is 144636242.

It is a cyclic number.

It is not a de Polignac number, because 242636441 - 26 = 242636377 is a prime.

It is a super-2 number, since 2×2426364412 = 117744885002292962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242636398 and 242636407.

It is not an unprimeable number, because it can be changed into a prime (242636447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435335 + ... + 435891.

It is an arithmetic number, because the mean of its divisors is an integer number (16221060).

Almost surely, 2242636441 is an apocalyptic number.

It is an amenable number.

242636441 is a deficient number, since it is larger than the sum of its proper divisors (16900519).

242636441 is a wasteful number, since it uses less digits than its factorization.

242636441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904.

The product of its digits is 27648, while the sum is 32.

The square root of 242636441 is about 15576.7917428462. The cubic root of 242636441 is about 623.7137845086.

The spelling of 242636441 in words is "two hundred forty-two million, six hundred thirty-six thousand, four hundred forty-one".

Divisors: 1 19 101 227 557 1919 4313 10583 22927 56257 126439 435613 1068883 2402341 12770339 242636441