Search a number
-
+
101478732 = 2238456561
BaseRepresentation
bin1100000110001…
…11000101001100
321001221122122120
412003013011030
5201434304412
614023012540
72341361235
oct603070514
9231848576
10101478732
1152311523
1229b9a150
13180408b4
14d69808c
158d97b8c
hex60c714c

101478732 has 12 divisors (see below), whose sum is σ = 236783736. Its totient is φ = 33826240.

The previous prime is 101478709. The next prime is 101478733. The reversal of 101478732 is 237874101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 101478693 and 101478702.

It is not an unprimeable number, because it can be changed into a prime (101478733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4228269 + ... + 4228292.

It is an arithmetic number, because the mean of its divisors is an integer number (19731978).

Almost surely, 2101478732 is an apocalyptic number.

101478732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101478732 is an abundant number, since it is smaller than the sum of its proper divisors (135305004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101478732 is a wasteful number, since it uses less digits than its factorization.

101478732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8456568 (or 8456566 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 101478732 is about 10073.6652713896. The cubic root of 101478732 is about 466.4355865015.

The spelling of 101478732 in words is "one hundred one million, four hundred seventy-eight thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 8456561 16913122 25369683 33826244 50739366 101478732