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106002661 = 118789303
BaseRepresentation
bin1100101000101…
…11100011100101
321101110111022111
412110113203211
5204114041121
614304001021
72425002442
oct624274345
9241414274
10106002661
1154921406
122b600171
1318c65a8b
14101149c9
15948d2e1
hex65178e5

106002661 has 4 divisors (see below), whose sum is σ = 106093152. Its totient is φ = 105912172.

The previous prime is 106002619. The next prime is 106002679. The reversal of 106002661 is 166200601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106002661 is a prime.

It is a super-2 number, since 2×1060026612 = 22473128278161842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106002761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43465 + ... + 45838.

It is an arithmetic number, because the mean of its divisors is an integer number (26523288).

Almost surely, 2106002661 is an apocalyptic number.

It is an amenable number.

106002661 is a deficient number, since it is larger than the sum of its proper divisors (90491).

106002661 is an equidigital number, since it uses as much as digits as its factorization.

106002661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90490.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 106002661 is about 10295.7593697600. The cubic root of 106002661 is about 473.2663093068.

The spelling of 106002661 in words is "one hundred six million, two thousand, six hundred sixty-one".

Divisors: 1 1187 89303 106002661