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10136540 = 2253671381
BaseRepresentation
bin100110101010…
…101111011100
3201001222201102
4212222233130
510043332130
61001132232
7152105411
oct46525734
921058642
1010136540
1157a3807
12348a078
13213ba6b
1414bc108
15d53645
hex9aabdc

10136540 has 24 divisors (see below), whose sum is σ = 21360192. Its totient is φ = 4040640.

The previous prime is 10136531. The next prime is 10136563. The reversal of 10136540 is 4563101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6650 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (890008).

Almost surely, 210136540 is an apocalyptic number.

10136540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10136540 is an abundant number, since it is smaller than the sum of its proper divisors (11223652).

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

10136540 is a wasteful number, since it uses less digits than its factorization.

10136540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 10136540 is about 3183.7933350015. The cubic root of 10136540 is about 216.4195947602.

Adding to 10136540 its reverse (4563101), we get a palindrome (14699641).

The spelling of 10136540 in words is "ten million, one hundred thirty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 367 734 1381 1468 1835 2762 3670 5524 6905 7340 13810 27620 506827 1013654 2027308 2534135 5068270 10136540