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106146251 = 591799089
BaseRepresentation
bin1100101001110…
…10100111001011
321101201210021122
412110322213023
5204133140001
614311025455
72426141201
oct624724713
9241653248
10106146251
1154a0a282
122b66b28b
1318cb6243
1410151071
1594bab1b
hex653a9cb

106146251 has 4 divisors (see below), whose sum is σ = 107945400. Its totient is φ = 104347104.

The previous prime is 106146241. The next prime is 106146319. The reversal of 106146251 is 152641601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152641601 = 721805943.

It is a cyclic number.

It is not a de Polignac number, because 106146251 - 214 = 106129867 is a prime.

It is a super-2 number, since 2×1061462512 = 22534053202710002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106146251.

It is not an unprimeable number, because it can be changed into a prime (106146221) 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, 899486 + ... + 899603.

It is an arithmetic number, because the mean of its divisors is an integer number (26986350).

Almost surely, 2106146251 is an apocalyptic number.

106146251 is a deficient number, since it is larger than the sum of its proper divisors (1799149).

106146251 is an equidigital number, since it uses as much as digits as its factorization.

106146251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799148.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 106146251 is about 10302.7302692053. The cubic root of 106146251 is about 473.4799066118.

Adding to 106146251 its reverse (152641601), we get a palindrome (258787852).

The spelling of 106146251 in words is "one hundred six million, one hundred forty-six thousand, two hundred fifty-one".

Divisors: 1 59 1799089 106146251