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1242432235 = 51122239209
BaseRepresentation
bin100101000001110…
…0000001011101011
310012120212002121201
41022003200023223
510021030312420
6323141345031
742534333262
oct11203401353
93176762551
101242432235
11588358800
122a8108177
1316a530105
14bb0175d9
157411d10a
hex4a0e02eb

1242432235 has 24 divisors (see below), whose sum is σ = 1646305920. Its totient is φ = 899437440.

The previous prime is 1242432223. The next prime is 1242432281. The reversal of 1242432235 is 5322342421.

It is not a de Polignac number, because 1242432235 - 25 = 1242432203 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130311 + ... + 139519.

It is an arithmetic number, because the mean of its divisors is an integer number (68596080).

Almost surely, 21242432235 is an apocalyptic number.

1242432235 is a deficient number, since it is larger than the sum of its proper divisors (403873685).

1242432235 is a wasteful number, since it uses less digits than its factorization.

1242432235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459 (or 9448 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 1242432235 is about 35248.1522210739. The cubic root of 1242432235 is about 1075.0390423895.

Adding to 1242432235 its reverse (5322342421), we get a palindrome (6564774656).

The spelling of 1242432235 in words is "one billion, two hundred forty-two million, four hundred thirty-two thousand, two hundred thirty-five".

Divisors: 1 5 11 55 121 223 605 1115 2453 9209 12265 26983 46045 101299 134915 506495 1114289 2053607 5571445 10268035 22589677 112948385 248486447 1242432235