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101407 = 234409
BaseRepresentation
bin11000110000011111
312011002211
4120300133
511221112
62101251
7601435
oct306037
9164084
10101407
116a209
124a827
1337207
1428d55
15200a7
hex18c1f

101407 has 4 divisors (see below), whose sum is σ = 105840. Its totient is φ = 96976.

The previous prime is 101399. The next prime is 101411. The reversal of 101407 is 704101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101407 - 23 = 101399 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101467) 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, 2182 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2101407 is an apocalyptic number.

101407 is a deficient number, since it is larger than the sum of its proper divisors (4433).

101407 is an equidigital number, since it uses as much as digits as its factorization.

101407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 101407 is about 318.4446576723. Note that the first 3 decimals coincide. The cubic root of 101407 is about 46.6325657904.

Adding to 101407 its reverse (704101), we get a palindrome (805508).

The spelling of 101407 in words is "one hundred one thousand, four hundred seven", and thus it is an iban number.

Divisors: 1 23 4409 101407