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1021434030 = 23353783089
BaseRepresentation
bin111100111000011…
…101100010101110
32122012000020002000
4330320131202232
54042441342110
6245204513130
734212021531
oct7470354256
92565006060
101021434030
11484633561
122460ab7a6
13133803246
149992aa18
155ea171c0
hex3ce1d8ae

1021434030 has 32 divisors (see below), whose sum is σ = 2723824800. Its totient is φ = 272382336.

The previous prime is 1021433999. The next prime is 1021434047. The reversal of 1021434030 is 304341201.

1021434030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 = 1021433994 and 1021434012.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1891275 + ... + 1891814.

It is an arithmetic number, because the mean of its divisors is an integer number (85119525).

Almost surely, 21021434030 is an apocalyptic number.

1021434030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021434030 is an abundant number, since it is smaller than the sum of its proper divisors (1702390770).

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

1021434030 is a wasteful number, since it uses less digits than its factorization.

1021434030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783105 (or 3783099 counting only the distinct ones).

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

The square root of 1021434030 is about 31959.8815704940. The cubic root of 1021434030 is about 1007.0942295606.

Adding to 1021434030 its reverse (304341201), we get a palindrome (1325775231).

It can be divided in two parts, 10214 and 34030, that added together give a palindrome (44244).

The spelling of 1021434030 in words is "one billion, twenty-one million, four hundred thirty-four thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 3783089 7566178 11349267 18915445 22698534 34047801 37830890 56746335 68095602 102143403 113492670 170239005 204286806 340478010 510717015 1021434030