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1020231342 = 233131453321
BaseRepresentation
bin111100110011110…
…111111010101110
32122002202010022000
4330303313322232
54042134400332
6245123033130
734165552254
oct7463677256
92562663260
101020231342
114839919a9
1224580b7a6
131334a19b0
14996d65d4
155e87ab7c
hex3ccf7eae

1020231342 has 32 divisors (see below), whose sum is σ = 2441580960. Its totient is φ = 313917120.

The previous prime is 1020231323. The next prime is 1020231347. The reversal of 1020231342 is 2431320201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020231347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725959 + ... + 727362.

It is an arithmetic number, because the mean of its divisors is an integer number (76299405).

Almost surely, 21020231342 is an apocalyptic number.

1020231342 is an abundant number, since it is smaller than the sum of its proper divisors (1421349618).

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

1020231342 is a wasteful number, since it uses less digits than its factorization.

1020231342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453345 (or 1453339 counting only the distinct ones).

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

The square root of 1020231342 is about 31941.0604395033. The cubic root of 1020231342 is about 1006.6988064579.

Adding to 1020231342 its reverse (2431320201), we get a palindrome (3451551543).

The spelling of 1020231342 in words is "one billion, twenty million, two hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 1453321 2906642 4359963 8719926 13079889 18893173 26159778 37786346 39239667 56679519 78479334 113359038 170038557 340077114 510115671 1020231342