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1023214442 = 23541144481
BaseRepresentation
bin111100111111010…
…000001101101010
32122022100200100012
4330333100031222
54043420330232
6245311011522
734233115325
oct7477201552
92568320305
101023214442
1148563a178
12246809ba2
13133ca7743
1499c717bc
155ec699b2
hex3cfd036a

1023214442 has 8 divisors (see below), whose sum is σ = 1535265732. Its totient is φ = 511459200.

The previous prime is 1023214417. The next prime is 1023214469. The reversal of 1023214442 is 2444123201.

It can be written as a sum of positive squares in 2 ways, for example, as 916938961 + 106275481 = 30281^2 + 10309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×10232144423 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65159 + ... + 79322.

Almost surely, 21023214442 is an apocalyptic number.

1023214442 is a deficient number, since it is larger than the sum of its proper divisors (512051290).

1023214442 is a wasteful number, since it uses less digits than its factorization.

1023214442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148024.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1023214442 is about 31987.7233012917. The cubic root of 1023214442 is about 1007.6790289106.

Adding to 1023214442 its reverse (2444123201), we get a palindrome (3467337643).

The spelling of 1023214442 in words is "one billion, twenty-three million, two hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 3541 7082 144481 288962 511607221 1023214442