Search a number
-
+
10626021 = 3271511117
BaseRepresentation
bin101000100010…
…001111100101
3201222212011100
4220202033211
510210013041
61015430313
7156214440
oct50421745
921885140
1010626021
115aa853a
123685399
1322807b3
1415a8657
15ded6b6
hexa223e5

10626021 has 24 divisors (see below), whose sum is σ = 17673344. Its totient is φ = 6026400.

The previous prime is 10626019. The next prime is 10626029. The reversal of 10626021 is 12062601.

It is a happy number.

10626021 is a `hidden beast` number, since 1 + 0 + 62 + 602 + 1 = 666.

It is not a de Polignac number, because 10626021 - 21 = 10626019 is a prime.

It is a super-2 number, since 2×106260212 = 225824644584882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10625985 and 10626003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10626029) 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 23 ways as a sum of consecutive naturals, for example, 8955 + ... + 10071.

Almost surely, 210626021 is an apocalyptic number.

It is an amenable number.

10626021 is a deficient number, since it is larger than the sum of its proper divisors (7047323).

10626021 is a wasteful number, since it uses less digits than its factorization.

10626021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10626021 is about 3259.7578130898. The cubic root of 10626021 is about 219.8485252068.

Adding to 10626021 its reverse (12062601), we get a palindrome (22688622).

The spelling of 10626021 in words is "ten million, six hundred twenty-six thousand, twenty-one".

Divisors: 1 3 7 9 21 63 151 453 1057 1117 1359 3171 3351 7819 9513 10053 23457 70371 168667 506001 1180669 1518003 3542007 10626021