Search a number
-
+
10553247 = 35137317
BaseRepresentation
bin101000010000…
…011110011111
3201212011100000
4220100132133
510200200442
61014105343
7155462325
oct50203637
921764300
1010553247
115a588a1
12364b253
132256633
141589d15
15dd6d4c
hexa1079f

10553247 has 24 divisors (see below), whose sum is σ = 15973776. Its totient is φ = 6962112.

The previous prime is 10553233. The next prime is 10553261. The reversal of 10553247 is 74235501.

It is a happy number.

10553247 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10553233) and next prime (10553261).

It is not a de Polignac number, because 10553247 - 28 = 10552991 is a prime.

It is a super-2 number, since 2×105532472 = 222742044486018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 10553247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10553747) 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, 33133 + ... + 33449.

It is an arithmetic number, because the mean of its divisors is an integer number (665574).

Almost surely, 210553247 is an apocalyptic number.

10553247 is a deficient number, since it is larger than the sum of its proper divisors (5420529).

10553247 is an equidigital number, since it uses as much as digits as its factorization.

10553247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 10553247 is about 3248.5761496385. The cubic root of 10553247 is about 219.3454858388.

Adding to 10553247 its reverse (74235501), we get a palindrome (84788748).

The spelling of 10553247 in words is "ten million, five hundred fifty-three thousand, two hundred forty-seven".

Divisors: 1 3 9 27 81 137 243 317 411 951 1233 2853 3699 8559 11097 25677 33291 43429 77031 130287 390861 1172583 3517749 10553247