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1124021431 = 132316323063
BaseRepresentation
bin100001011111111…
…0011010010110111
32220100001012112101
41002333303102313
54300222141211
6303311402531
736566011261
oct10277632267
92810035471
101124021431
11527531a35
12274523447
1314bb41650
14a93d2b31
1568a2d5c1
hex42ff34b7

1124021431 has 16 divisors (see below), whose sum is σ = 1270918656. Its totient is φ = 986315616.

The previous prime is 1124021429. The next prime is 1124021443. The reversal of 1124021431 is 1341204211.

It is not a de Polignac number, because 1124021431 - 21 = 1124021429 is a prime.

It is a super-2 number, since 2×11240214312 = 2526848354694575522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1124021399 and 1124021408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124021471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37206 + ... + 60268.

It is an arithmetic number, because the mean of its divisors is an integer number (79432416).

Almost surely, 21124021431 is an apocalyptic number.

1124021431 is a deficient number, since it is larger than the sum of its proper divisors (146897225).

1124021431 is a wasteful number, since it uses less digits than its factorization.

1124021431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23262.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1124021431 is about 33526.4288435258. The cubic root of 1124021431 is about 1039.7402676712.

Adding to 1124021431 its reverse (1341204211), we get a palindrome (2465225642).

The spelling of 1124021431 in words is "one billion, one hundred twenty-four million, twenty-one thousand, four hundred thirty-one".

Divisors: 1 13 23 163 299 2119 3749 23063 48737 299819 530449 3759269 6895837 48870497 86463187 1124021431