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1142023032 = 233215861431
BaseRepresentation
bin100010000010001…
…1110001101111000
32221120220210002100
41010010132031320
54314324214112
6305153303400
740205015133
oct10404361570
92846823070
101142023032
11536707897
1227a564b60
131527a5297
14ab95b21a
156a3d72dc
hex4411e378

1142023032 has 24 divisors (see below), whose sum is σ = 3092979240. Its totient is φ = 380674320.

The previous prime is 1142023031. The next prime is 1142023039. The reversal of 1142023032 is 2303202411.

1142023032 is a `hidden beast` number, since 11 + 420 + 230 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1142022996 and 1142023014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142023031) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7930644 + ... + 7930787.

It is an arithmetic number, because the mean of its divisors is an integer number (128874135).

Almost surely, 21142023032 is an apocalyptic number.

1142023032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142023032 is an abundant number, since it is smaller than the sum of its proper divisors (1950956208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142023032 is a wasteful number, since it uses less digits than its factorization.

1142023032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15861443 (or 15861436 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1142023032 is about 33793.8312714022. The cubic root of 1142023032 is about 1045.2614996922.

Adding to 1142023032 its reverse (2303202411), we get a palindrome (3445225443).

The spelling of 1142023032 in words is "one billion, one hundred forty-two million, twenty-three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 15861431 31722862 47584293 63445724 95168586 126891448 142752879 190337172 285505758 380674344 571011516 1142023032