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106156001 = 722166449
BaseRepresentation
bin1100101001111…
…00111111100001
321101202021122202
412110330333201
5204133443001
614311142545
72426211500
oct624747741
9241667582
10106156001
1154a16636
122b674a55
1318cba803
1410154837
1594bd96b
hex653cfe1

106156001 has 6 divisors (see below), whose sum is σ = 123487650. Its totient is φ = 90990816.

The previous prime is 106155991. The next prime is 106156027. The reversal of 106156001 is 100651601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75342400 + 30813601 = 8680^2 + 5551^2 .

It is not a de Polignac number, because 106156001 - 210 = 106154977 is a prime.

It is a super-2 number, since 2×1061560012 = 22538193096624002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106156031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1083176 + ... + 1083273.

It is an arithmetic number, because the mean of its divisors is an integer number (20581275).

Almost surely, 2106156001 is an apocalyptic number.

It is an amenable number.

106156001 is a deficient number, since it is larger than the sum of its proper divisors (17331649).

106156001 is an equidigital number, since it uses as much as digits as its factorization.

106156001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166463 (or 2166456 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 106156001 is about 10303.2034338840. The cubic root of 106156001 is about 473.4944032386.

The spelling of 106156001 in words is "one hundred six million, one hundred fifty-six thousand, one".

Divisors: 1 7 49 2166449 15165143 106156001