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2106629 = 72571171
BaseRepresentation
bin1000000010010100000101
310222000202022
420002110011
51014403004
6113052525
723622530
oct10022405
93860668
102106629
111209818
12857145
13589b35
143cba17
152b92be
hex202505

2106629 has 8 divisors (see below), whose sum is σ = 2419008. Its totient is φ = 1797120.

The previous prime is 2106619. The next prime is 2106631. The reversal of 2106629 is 9266012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2106629 - 212 = 2102533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2106598 and 2106607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214 + ... + 2384.

It is an arithmetic number, because the mean of its divisors is an integer number (302376).

22106629 is an apocalyptic number.

It is an amenable number.

2106629 is a deficient number, since it is larger than the sum of its proper divisors (312379).

2106629 is a wasteful number, since it uses less digits than its factorization.

2106629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2106629 is about 1451.4230947591. The cubic root of 2106629 is about 128.1925203503.

The spelling of 2106629 in words is "two million, one hundred six thousand, six hundred twenty-nine".

Divisors: 1 7 257 1171 1799 8197 300947 2106629