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106250731 = 1723439619
BaseRepresentation
bin1100101010101…
…00000111101011
321101221002121021
412111110013223
5204200010411
614313153311
72430054616
oct625240753
9241832537
10106250731
1154a80824
122b6bb837
1319021972
141017b17d
1594dba71
hex65541eb

106250731 has 16 divisors (see below), whose sum is σ = 117849600. Its totient is φ = 95280768.

The previous prime is 106250723. The next prime is 106250747. The reversal of 106250731 is 137052601.

It is a cyclic number.

It is not a de Polignac number, because 106250731 - 23 = 106250723 is a prime.

It is a super-2 number, since 2×1062507312 = 22578435676068722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106250696 and 106250705.

It is not an unprimeable number, because it can be changed into a prime (106250701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171340 + ... + 171958.

It is an arithmetic number, because the mean of its divisors is an integer number (7365600).

Almost surely, 2106250731 is an apocalyptic number.

106250731 is a deficient number, since it is larger than the sum of its proper divisors (11598869).

106250731 is a wasteful number, since it uses less digits than its factorization.

106250731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 106250731 is about 10307.7995226915. The cubic root of 106250731 is about 473.6352047914.

The spelling of 106250731 in words is "one hundred six million, two hundred fifty thousand, seven hundred thirty-one".

Divisors: 1 17 23 391 439 619 7463 10097 10523 14237 171649 242029 271741 4619597 6250043 106250731