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11302144 = 28721753
BaseRepresentation
bin101011000111…
…010100000000
3210021012121221
4223013110000
510343132034
61042124424
7165031600
oct53072400
923235557
1011302144
11641a517
123950714
132459479
141702c00
15ed3bb4
hexac7500

11302144 has 108 divisors (see below), whose sum is σ = 28311444. Its totient is φ = 4472832.

The previous prime is 11302133. The next prime is 11302153. The reversal of 11302144 is 44120311.

It can be written as a sum of positive squares in 2 ways, for example, as 8479744 + 2822400 = 2912^2 + 1680^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213222 + ... + 213274.

It is an arithmetic number, because the mean of its divisors is an integer number (262143).

Almost surely, 211302144 is an apocalyptic number.

11302144 is a gapful number since it is divisible by the number (14) 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 11302144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14155722).

11302144 is an abundant number, since it is smaller than the sum of its proper divisors (17009300).

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

11302144 is an equidigital number, since it uses as much as digits as its factorization.

11302144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11302144 is about 3361.8661484360. The cubic root of 11302144 is about 224.4158940110.

Adding to 11302144 its reverse (44120311), we get a palindrome (55422455).

The spelling of 11302144 in words is "eleven million, three hundred two thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 49 53 56 64 68 98 106 112 119 128 136 196 212 224 238 256 272 371 392 424 448 476 544 742 784 833 848 896 901 952 1088 1484 1568 1666 1696 1792 1802 1904 2176 2597 2968 3136 3332 3392 3604 3808 4352 5194 5936 6272 6307 6664 6784 7208 7616 10388 11872 12544 12614 13328 13568 14416 15232 20776 23744 25228 26656 28832 30464 41552 44149 47488 50456 53312 57664 83104 88298 94976 100912 106624 115328 166208 176596 201824 213248 230656 332416 353192 403648 664832 706384 807296 1412768 1614592 2825536 5651072 11302144