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2401245 = 34572112
BaseRepresentation
bin1001001010001111011101
311111222220000
421022033131
51103314440
6123244513
726260500
oct11121735
94458800
102401245
1113a0100
12979739
13660c72
14467137
15326730
hex24a3dd

2401245 has 90 divisors (see below), whose sum is σ = 5503806. Its totient is φ = 997920.

The previous prime is 2401237. The next prime is 2401253. The reversal of 2401245 is 5421042.

It is an interprime number because it is at equal distance from previous prime (2401237) and next prime (2401253).

It can be written as a sum of positive squares in only one way, i.e., 1920996 + 480249 = 1386^2 + 693^2 .

It is not a de Polignac number, because 2401245 - 23 = 2401237 is a prime.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 218290 + ... + 218300.

22401245 is an apocalyptic number.

It is an amenable number.

2401245 is an abundant number, since it is smaller than the sum of its proper divisors (3102561).

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

2401245 is a wasteful number, since it uses less digits than its factorization.

2401245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2401245 is about 1549.5951084074. The cubic root of 2401245 is about 133.9097372372.

Multiplying 2401245 by its product of nonzero digits (320), we get a square (768398400 = 277202).

Adding to 2401245 its reverse (5421042), we get a palindrome (7822287).

It can be divided in two parts, 240 and 1245, that added together give a triangular number (1485 = T54).

The spelling of 2401245 in words is "two million, four hundred one thousand, two hundred forty-five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 49 55 63 77 81 99 105 121 135 147 165 189 231 245 297 315 363 385 405 441 495 539 567 605 693 735 847 891 945 1089 1155 1323 1485 1617 1815 2079 2205 2541 2695 2835 3267 3465 3969 4235 4455 4851 5445 5929 6237 6615 7623 8085 9801 10395 12705 14553 16335 17787 19845 22869 24255 29645 31185 38115 43659 49005 53361 68607 72765 88935 114345 160083 218295 266805 343035 480249 800415 2401245