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10225540 = 2251367587
BaseRepresentation
bin100111000000…
…011110000100
3201020111210201
4213000132010
510104204130
61003100244
7152626033
oct47003604
921214721
1010225540
115854666
123511684
132170420
14150271a
15d6ebca
hex9c0784

10225540 has 48 divisors (see below), whose sum is σ = 23510592. Its totient is φ = 3712896.

The previous prime is 10225519. The next prime is 10225561. The reversal of 10225540 is 4552201.

It is an interprime number because it is at equal distance from previous prime (10225519) and next prime (10225561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17127 + ... + 17713.

It is an arithmetic number, because the mean of its divisors is an integer number (489804).

Almost surely, 210225540 is an apocalyptic number.

10225540 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 10225540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11755296).

10225540 is an abundant number, since it is smaller than the sum of its proper divisors (13285052).

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

10225540 is a wasteful number, since it uses less digits than its factorization.

10225540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 10225540 is about 3197.7398268152. The cubic root of 10225540 is about 217.0511463886.

Adding to 10225540 its reverse (4552201), we get a palindrome (14777741).

The spelling of 10225540 in words is "ten million, two hundred twenty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 67 130 134 260 268 335 587 670 871 1174 1340 1742 2348 2935 3484 4355 5870 7631 8710 11740 15262 17420 30524 38155 39329 76310 78658 152620 157316 196645 393290 511277 786580 1022554 2045108 2556385 5112770 10225540