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1304421102 = 232292719221
BaseRepresentation
bin100110110111111…
…1110001011101110
310100220111110100200
41031233332023232
510132412433402
6333234134330
744216252655
oct11557761356
93326443320
101304421102
1160a347976
12304a213a6
1317a32540a
14c535219c
15797b521c
hex4dbfe2ee

1304421102 has 48 divisors (see below), whose sum is σ = 2934809280. Its totient is φ = 418219200.

The previous prime is 1304421077. The next prime is 1304421137. The reversal of 1304421102 is 2011244031.

It is a super-2 number, since 2×13044211022 = 3403028822685788808, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136852 + ... + 146072.

It is an arithmetic number, because the mean of its divisors is an integer number (61141860).

Almost surely, 21304421102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304421102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467404640).

1304421102 is an abundant number, since it is smaller than the sum of its proper divisors (1630388178).

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

1304421102 is a wasteful number, since it uses less digits than its factorization.

1304421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529 (or 9526 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1304421102 is about 36116.7703705633. The cubic root of 1304421102 is about 1092.6287034950.

Adding to 1304421102 its reverse (2011244031), we get a palindrome (3315665133).

The spelling of 1304421102 in words is "one billion, three hundred four million, four hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 271 522 542 813 1626 2439 4878 7859 9221 15718 18442 23577 27663 47154 55326 70731 82989 141462 165978 267409 534818 802227 1604454 2406681 2498891 4813362 4997782 7496673 14993346 22490019 44980038 72467839 144935678 217403517 434807034 652210551 1304421102