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1242262060 = 2251335913309
BaseRepresentation
bin100101000001011…
…0110101000101100
310012120112110011221
41022002312220230
510021004341220
6323133553124
742533024164
oct11202665054
93176473157
101242262060
11588251966
122a80457a4
1316a4a0810
14badb15a4
15740d79aa
hex4a0b6a2c

1242262060 has 48 divisors (see below), whose sum is σ = 2817460800. Its totient is φ = 457369344.

The previous prime is 1242262037. The next prime is 1242262069. The reversal of 1242262060 is 602622421.

It is not an unprimeable number, because it can be changed into a prime (1242262069) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 86686 + ... + 99994.

It is an arithmetic number, because the mean of its divisors is an integer number (58697100).

Almost surely, 21242262060 is an apocalyptic number.

1242262060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242262060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408730400).

1242262060 is an abundant number, since it is smaller than the sum of its proper divisors (1575198740).

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

1242262060 is a wasteful number, since it uses less digits than its factorization.

1242262060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690 (or 13688 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1242262060 is about 35245.7381820838. The cubic root of 1242262060 is about 1074.9899577212.

Adding to 1242262060 its reverse (602622421), we get a palindrome (1844884481).

The spelling of 1242262060 in words is "one billion, two hundred forty-two million, two hundred sixty-two thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 359 718 1436 1795 3590 4667 7180 9334 13309 18668 23335 26618 46670 53236 66545 93340 133090 173017 266180 346034 692068 865085 1730170 3460340 4777931 9555862 19111724 23889655 47779310 62113103 95558620 124226206 248452412 310565515 621131030 1242262060