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10540425 = 3527171181
BaseRepresentation
bin101000001101…
…010110001001
3201211111202010
4220031112021
510144243200
61013530133
7155410050
oct50152611
921744663
1010540425
115a4a1a5
123643949
13225084c
141585397
15dd3150
hexa0d589

10540425 has 48 divisors (see below), whose sum is σ = 21105792. Its totient is φ = 4531200.

The previous prime is 10540423. The next prime is 10540429. The reversal of 10540425 is 52404501.

It is not a de Polignac number, because 10540425 - 21 = 10540423 is a prime.

It is a super-2 number, since 2×105404252 = 222201118361250, which contains 22 as substring.

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 (10540423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8335 + ... + 9515.

It is an arithmetic number, because the mean of its divisors is an integer number (439704).

Almost surely, 210540425 is an apocalyptic number.

10540425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10540425 is an abundant number, since it is smaller than the sum of its proper divisors (10565367).

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

10540425 is a wasteful number, since it uses less digits than its factorization.

10540425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 10540425 is about 3246.6020698570. The cubic root of 10540425 is about 219.2566162674.

Adding to 10540425 its reverse (52404501), we get a palindrome (62944926).

The spelling of 10540425 in words is "ten million, five hundred forty thousand, four hundred twenty-five".

Divisors: 1 3 5 7 15 17 21 25 35 51 75 85 105 119 175 255 357 425 525 595 1181 1275 1785 2975 3543 5905 8267 8925 17715 20077 24801 29525 41335 60231 88575 100385 124005 140539 206675 301155 421617 501925 620025 702695 1505775 2108085 3513475 10540425