Search a number
-
+
101353221 = 333753823
BaseRepresentation
bin1100000101010…
…00011100000101
321001201021111000
412002220130011
5201421300341
614020203513
72340326304
oct602503405
9231637430
10101353221
11522361a2
1229b39599
1317cc8728
14d66443b
158d708b6
hex60a8705

101353221 has 8 divisors (see below), whose sum is σ = 150152960. Its totient is φ = 67568796.

The previous prime is 101353211. The next prime is 101353223. The reversal of 101353221 is 122353101.

It is not a de Polignac number, because 101353221 - 210 = 101352197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101353194 and 101353203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101353223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876885 + ... + 1876938.

It is an arithmetic number, because the mean of its divisors is an integer number (18769120).

Almost surely, 2101353221 is an apocalyptic number.

It is an amenable number.

101353221 is a deficient number, since it is larger than the sum of its proper divisors (48799739).

101353221 is an equidigital number, since it uses as much as digits as its factorization.

101353221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753832 (or 3753826 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 101353221 is about 10067.4336849070. The cubic root of 101353221 is about 466.2432080987.

Subtracting from 101353221 its sum of digits (18), we obtain a triangular number (101353203 = T14237).

The spelling of 101353221 in words is "one hundred one million, three hundred fifty-three thousand, two hundred twenty-one".

Divisors: 1 3 9 27 3753823 11261469 33784407 101353221