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106667401 = 176274553
BaseRepresentation
bin1100101101110…
…01110110001001
321102201021011111
412112321312021
5204301324101
614330130321
72433441451
oct626716611
9242637144
10106667401
1155235885
122b8809a1
1319139509
1410248d61
159570251
hex65b9d89

106667401 has 4 divisors (see below), whose sum is σ = 112941972. Its totient is φ = 100392832.

The previous prime is 106667371. The next prime is 106667441. The reversal of 106667401 is 104766601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104766601 = 181578821.

It can be written as a sum of positive squares in 2 ways, for example, as 73616400 + 33051001 = 8580^2 + 5749^2 .

It is a cyclic number.

It is not a de Polignac number, because 106667401 - 25 = 106667369 is a prime.

It is a super-2 number, since 2×1066674012 = 22755868872189602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106667441) 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, 3137260 + ... + 3137293.

It is an arithmetic number, because the mean of its divisors is an integer number (28235493).

Almost surely, 2106667401 is an apocalyptic number.

It is an amenable number.

106667401 is a deficient number, since it is larger than the sum of its proper divisors (6274571).

106667401 is an equidigital number, since it uses as much as digits as its factorization.

106667401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274570.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 106667401 is about 10327.9911405849. The cubic root of 106667401 is about 474.2535289067.

The spelling of 106667401 in words is "one hundred six million, six hundred sixty-seven thousand, four hundred one".

Divisors: 1 17 6274553 106667401