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105974997 = 335324999
BaseRepresentation
bin1100101000100…
…00110011010101
321101102002100220
412110100303111
5204112144442
614303224553
72424526002
oct624206325
9241362326
10105974997
1154902647
122b5a8159
1318c562cb
14101088a9
159484eec
hex6510cd5

105974997 has 4 divisors (see below), whose sum is σ = 141300000. Its totient is φ = 70649996.

The previous prime is 105974983. The next prime is 105975029. The reversal of 105974997 is 799479501.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 799479501 = 3266493167.

It is a cyclic number.

It is not a de Polignac number, because 105974997 - 28 = 105974741 is a prime.

It is a super-2 number, since 2×1059749972 = 22461399978300018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105974927) 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, 17662497 + ... + 17662502.

It is an arithmetic number, because the mean of its divisors is an integer number (35325000).

Almost surely, 2105974997 is an apocalyptic number.

It is an amenable number.

105974997 is a deficient number, since it is larger than the sum of its proper divisors (35325003).

105974997 is an equidigital number, since it uses as much as digits as its factorization.

105974997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35325002.

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 105974997 is about 10294.4158163540. The cubic root of 105974997 is about 473.2251355660.

The spelling of 105974997 in words is "one hundred five million, nine hundred seventy-four thousand, nine hundred ninety-seven".

Divisors: 1 3 35324999 105974997