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1302342100 = 225213023421
BaseRepresentation
bin100110110100000…
…0010100111010100
310100202120211111121
41031220002213110
510131344421400
6333121413324
744162503513
oct11550024724
93322524447
101302342100
11609157994
1230419a244
13179a78037
14c4d7067a
157950421a
hex4da029d4

1302342100 has 18 divisors (see below), whose sum is σ = 2826082574. Its totient is φ = 520936800.

The previous prime is 1302342091. The next prime is 1302342109. The reversal of 1302342100 is 12432031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1302342091) and next prime (1302342109).

It can be written as a sum of positive squares in 3 ways, for example, as 334012176 + 968329924 = 18276^2 + 31118^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302342109) 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 5 ways as a sum of consecutive naturals, for example, 6511611 + ... + 6511810.

Almost surely, 21302342100 is an apocalyptic number.

1302342100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302342100 is an abundant number, since it is smaller than the sum of its proper divisors (1523740474).

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

1302342100 is a wasteful number, since it uses less digits than its factorization.

1302342100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13023435 (or 13023428 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1302342100 is about 36087.9772223382. The cubic root of 1302342100 is about 1092.0479132506.

Adding to 1302342100 its reverse (12432031), we get a palindrome (1314774131).

The spelling of 1302342100 in words is "one billion, three hundred two million, three hundred forty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 13023421 26046842 52093684 65117105 130234210 260468420 325585525 651171050 1302342100