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1031403142 = 27116697423
BaseRepresentation
bin111101011110011…
…111011010000110
32122212202201010101
4331132133122012
54103014400032
6250202314314
734362532150
oct7536373206
92585681111
101031403142
1148a2224a0
122494b899a
131358b3a23
149ada3ad0
1560835de7
hex3d79f686

1031403142 has 16 divisors (see below), whose sum is σ = 1928858112. Its totient is φ = 401845320.

The previous prime is 1031403127. The next prime is 1031403143. The reversal of 1031403142 is 2413041301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031403143) 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 7 ways as a sum of consecutive naturals, for example, 3348558 + ... + 3348865.

It is an arithmetic number, because the mean of its divisors is an integer number (120553632).

Almost surely, 21031403142 is an apocalyptic number.

1031403142 is a deficient number, since it is larger than the sum of its proper divisors (897454970).

1031403142 is a wasteful number, since it uses less digits than its factorization.

1031403142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697443.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1031403142 is about 32115.4657758532. The cubic root of 1031403142 is about 1010.3600134745.

Adding to 1031403142 its reverse (2413041301), we get a palindrome (3444444443).

The spelling of 1031403142 in words is "one billion, thirty-one million, four hundred three thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 22 77 154 6697423 13394846 46881961 73671653 93763922 147343306 515701571 1031403142