Search a number
-
+
10554551 = 72215399
BaseRepresentation
bin101000010000…
…110010110111
3201212020010022
4220100302313
510200221201
61014115355
7155466200
oct50206267
921766108
1010554551
115a59877
12364bb5b
1322570c7
14158a5a7
15dd741b
hexa10cb7

10554551 has 6 divisors (see below), whose sum is σ = 12277800. Its totient is φ = 9046716.

The previous prime is 10554547. The next prime is 10554563. The reversal of 10554551 is 15545501.

It is not a de Polignac number, because 10554551 - 22 = 10554547 is a prime.

It is a super-2 number, since 2×105545512 = 222797093623202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10554551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10554541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107651 + ... + 107748.

It is an arithmetic number, because the mean of its divisors is an integer number (2046300).

Almost surely, 210554551 is an apocalyptic number.

10554551 is a deficient number, since it is larger than the sum of its proper divisors (1723249).

10554551 is an equidigital number, since it uses as much as digits as its factorization.

10554551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215413 (or 215406 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 10554551 is about 3248.7768467533. The cubic root of 10554551 is about 219.3545198588.

The spelling of 10554551 in words is "ten million, five hundred fifty-four thousand, five hundred fifty-one".

Divisors: 1 7 49 215399 1507793 10554551