Search a number
-
+
106428719 = 503921121
BaseRepresentation
bin1100101011111…
…11100100101111
321102021010202102
412111333210233
5204221204334
614321045315
72431425545
oct625774457
9242233672
10106428719
1155092521
122b78683b
1319084997
14101c5d95
15952467e
hex657f92f

106428719 has 4 divisors (see below), whose sum is σ = 106454880. Its totient is φ = 106402560.

The previous prime is 106428701. The next prime is 106428739. The reversal of 106428719 is 917824601.

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 106428719 - 212 = 106424623 is a prime.

It is a super-2 number, since 2×1064287192 = 22654144455961922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106428739) 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, 5522 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (26613720).

Almost surely, 2106428719 is an apocalyptic number.

106428719 is a deficient number, since it is larger than the sum of its proper divisors (26161).

106428719 is an equidigital number, since it uses as much as digits as its factorization.

106428719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26160.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 106428719 is about 10316.4295664731. The cubic root of 106428719 is about 473.8995303565.

The spelling of 106428719 in words is "one hundred six million, four hundred twenty-eight thousand, seven hundred nineteen".

Divisors: 1 5039 21121 106428719