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10125040 = 245671889
BaseRepresentation
bin100110100111…
…111011110000
3201001101221111
4212213323300
510043000130
61001003104
7152030032
oct46477360
921041844
1010125040
115796102
123483494
132136763
1414b7c52
15d5002a
hex9a7ef0

10125040 has 40 divisors (see below), whose sum is σ = 23904720. Its totient is φ = 3987456.

The previous prime is 10125023. The next prime is 10125041. The reversal of 10125040 is 4052101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 10125040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10125041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4416 + ... + 6304.

It is an arithmetic number, because the mean of its divisors is an integer number (597618).

Almost surely, 210125040 is an apocalyptic number.

10125040 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 10125040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11952360).

10125040 is an abundant number, since it is smaller than the sum of its proper divisors (13779680).

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

10125040 is a wasteful number, since it uses less digits than its factorization.

10125040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10125040 is about 3181.9868007269. The cubic root of 10125040 is about 216.3377204345.

Adding to 10125040 its reverse (4052101), we get a palindrome (14177141).

The spelling of 10125040 in words is "ten million, one hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 1889 2680 3778 5360 7556 9445 15112 18890 30224 37780 75560 126563 151120 253126 506252 632815 1012504 1265630 2025008 2531260 5062520 10125040