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101422445 = 5181112069
BaseRepresentation
bin1100000101110…
…01010101101101
321001211210102212
412002321111231
5201431004240
614021500205
72341035155
oct602712555
9231753385
10101422445
1152283203
1229b71665
13180210a7
14d681765
158d86165
hex60b956d

101422445 has 8 divisors (see below), whose sum is σ = 122380440. Its totient is φ = 80688960.

The previous prime is 101422403. The next prime is 101422463. The reversal of 101422445 is 544224101.

It can be written as a sum of positive squares in 4 ways, for example, as 259081 + 101163364 = 509^2 + 10058^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101422445 - 212 = 101418349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101422445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55130 + ... + 56939.

It is an arithmetic number, because the mean of its divisors is an integer number (15297555).

Almost surely, 2101422445 is an apocalyptic number.

It is an amenable number.

101422445 is a deficient number, since it is larger than the sum of its proper divisors (20957995).

101422445 is a wasteful number, since it uses less digits than its factorization.

101422445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112255.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 101422445 is about 10070.8711142582. The cubic root of 101422445 is about 466.3493315955.

Adding to 101422445 its reverse (544224101), we get a palindrome (645646546).

The spelling of 101422445 in words is "one hundred one million, four hundred twenty-two thousand, four hundred forty-five".

Divisors: 1 5 181 905 112069 560345 20284489 101422445