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242633433 = 3792912437
BaseRepresentation
bin11100111011001…
…00101011011001
3121220120001111110
432131210223121
5444103232213
640024250533
76004231050
oct1635445331
9556501443
10242633433
11114a620a9
1269310a49
133b3636a3
142431d397
151647b5c3
hexe764ad9

242633433 has 16 divisors (see below), whose sum is σ = 370154880. Its totient is φ = 138487296.

The previous prime is 242633431. The next prime is 242633473. The reversal of 242633433 is 334336242.

It is not a de Polignac number, because 242633433 - 21 = 242633431 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242633433.

It is not an unprimeable number, because it can be changed into a prime (242633431) 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, 13291 + ... + 25727.

It is an arithmetic number, because the mean of its divisors is an integer number (23134680).

Almost surely, 2242633433 is an apocalyptic number.

It is an amenable number.

242633433 is a deficient number, since it is larger than the sum of its proper divisors (127521447).

242633433 is a wasteful number, since it uses less digits than its factorization.

242633433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13376.

The product of its digits is 31104, while the sum is 30.

The square root of 242633433 is about 15576.6951886464. The cubic root of 242633433 is about 623.7112070738.

Adding to 242633433 its reverse (334336242), we get a palindrome (576969675).

The spelling of 242633433 in words is "two hundred forty-two million, six hundred thirty-three thousand, four hundred thirty-three".

Divisors: 1 3 7 21 929 2787 6503 12437 19509 37311 87059 261177 11553973 34661919 80877811 242633433