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10111040 = 265191663
BaseRepresentation
bin100110100100…
…100001000000
3201000200201222
4212210201000
510042023130
61000414212
7151641152
oct46444100
921020658
1010111040
115786635
123477368
132130284
1414b2ad2
15d4ace5
hex9a4840

10111040 has 56 divisors (see below), whose sum is σ = 25359360. Its totient is φ = 3829248.

The previous prime is 10111019. The next prime is 10111061. The reversal of 10111040 is 4011101.

It is an interprime number because it is at equal distance from previous prime (10111019) and next prime (10111061).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5249 + ... + 6911.

Almost surely, 210111040 is an apocalyptic number.

10111040 is a gapful number since it is divisible by the number (10) 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 10111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12679680).

10111040 is an abundant number, since it is smaller than the sum of its proper divisors (15248320).

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

10111040 is a wasteful number, since it uses less digits than its factorization.

10111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 10111040 is about 3179.7861563319. The cubic root of 10111040 is about 216.2379636233.

Adding to 10111040 its reverse (4011101), we get a palindrome (14122141).

The spelling of 10111040 in words is "ten million, one hundred eleven thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 152 160 190 304 320 380 608 760 1216 1520 1663 3040 3326 6080 6652 8315 13304 16630 26608 31597 33260 53216 63194 66520 106432 126388 133040 157985 252776 266080 315970 505552 532160 631940 1011104 1263880 2022208 2527760 5055520 10111040