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11903052 = 22372361101
BaseRepresentation
bin101101011010…
…000001001100
3211101201220210
4231122001030
511021344202
61103042420
7203113530
oct55320114
924351823
1011903052
11679aa37
123ba0410
132609b35
14181bbc0
1510a1c6c
hexb5a04c

11903052 has 96 divisors (see below), whose sum is σ = 33997824. Its totient is φ = 3168000.

The previous prime is 11903041. The next prime is 11903057. The reversal of 11903052 is 25030911.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11903057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117802 + ... + 117902.

It is an arithmetic number, because the mean of its divisors is an integer number (354144).

Almost surely, 211903052 is an apocalyptic number.

11903052 is a gapful number since it is divisible by the number (12) 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 11903052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16998912).

11903052 is an abundant number, since it is smaller than the sum of its proper divisors (22094772).

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

11903052 is a wasteful number, since it uses less digits than its factorization.

11903052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 11903052 is about 3450.0799990725. The cubic root of 11903052 is about 228.3246375765.

Adding to 11903052 its reverse (25030911), we get a palindrome (36933963).

The spelling of 11903052 in words is "eleven million, nine hundred three thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 61 69 84 92 101 122 138 161 183 202 244 276 303 322 366 404 427 483 606 644 707 732 854 966 1212 1281 1403 1414 1708 1932 2121 2323 2562 2806 2828 4209 4242 4646 5124 5612 6161 6969 8418 8484 9292 9821 12322 13938 16261 16836 18483 19642 24644 27876 29463 32522 36966 39284 43127 48783 58926 65044 73932 86254 97566 117852 129381 141703 172508 195132 258762 283406 425109 517524 566812 850218 991921 1700436 1983842 2975763 3967684 5951526 11903052