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10553025 = 352720101
BaseRepresentation
bin101000010000…
…011011000001
3201212011000210
4220100123001
510200144100
61014104333
7155461560
oct50203301
921764023
1010553025
115a5870a
12364b0a9
1322564c2
141589bd7
15dd6c50
hexa106c1

10553025 has 24 divisors (see below), whose sum is σ = 19941184. Its totient is φ = 4824000.

The previous prime is 10553009. The next prime is 10553027. The reversal of 10553025 is 52035501.

It is not a de Polignac number, because 10553025 - 24 = 10553009 is a prime.

It is a super-2 number, since 2×105530252 = 222732673301250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10552992 and 10553010.

It is not an unprimeable number, because it can be changed into a prime (10553027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9526 + ... + 10575.

Almost surely, 210553025 is an apocalyptic number.

10553025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10553025 is a deficient number, since it is larger than the sum of its proper divisors (9388159).

10553025 is a wasteful number, since it uses less digits than its factorization.

10553025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121 (or 20116 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 10553025 is about 3248.5419806430. The cubic root of 10553025 is about 219.3439477643.

Adding to 10553025 its reverse (52035501), we get a palindrome (62588526).

The spelling of 10553025 in words is "ten million, five hundred fifty-three thousand, twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 20101 60303 100505 140707 301515 422121 502525 703535 1507575 2110605 3517675 10553025