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1030236260 = 22553971921
BaseRepresentation
bin111101011010000…
…010100001100100
32122210120102110112
4331122002201210
54102220030020
6250121312152
734346602154
oct7532024144
92583512415
101030236260
114895a5829
12249035658
13135595871
149ab7c764
15606a52c5
hex3d682864

1030236260 has 24 divisors (see below), whose sum is σ = 2204319096. Its totient is φ = 404318720.

The previous prime is 1030236239. The next prime is 1030236271. The reversal of 1030236260 is 626320301.

It can be written as a sum of positive squares in 4 ways, for example, as 332114176 + 698122084 = 18224^2 + 26422^2 .

It is a super-2 number, since 2×10302362602 = 2122773502837575200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 484901 + ... + 487020.

It is an arithmetic number, because the mean of its divisors is an integer number (91846629).

Almost surely, 21030236260 is an apocalyptic number.

1030236260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030236260 is an abundant number, since it is smaller than the sum of its proper divisors (1174082836).

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

1030236260 is a wasteful number, since it uses less digits than its factorization.

1030236260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971983 (or 971981 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1030236260 is about 32097.2936553847. The cubic root of 1030236260 is about 1009.9788447681.

Adding to 1030236260 its reverse (626320301), we get a palindrome (1656556561).

The spelling of 1030236260 in words is "one billion, thirty million, two hundred thirty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 971921 1943842 3887684 4859605 9719210 19438420 51511813 103023626 206047252 257559065 515118130 1030236260