Search a number
-
+
106444731 = 3317315679
BaseRepresentation
bin1100101100000…
…11011110111011
321102021221201110
412112003132323
5204222212411
614321251403
72431523331
oct626033673
9242257643
10106444731
11550a3558
122b793b63
131908c063
14101cbb51
1595292a6
hex65837bb

106444731 has 16 divisors (see below), whose sum is σ = 148520960. Its totient is φ = 67728960.

The previous prime is 106444717. The next prime is 106444739. The reversal of 106444731 is 137444601.

It is not a de Polignac number, because 106444731 - 25 = 106444699 is a prime.

It is a super-2 number, since 2×1064447312 = 22660961515324722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106444739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051 + ... + 14628.

It is an arithmetic number, because the mean of its divisors is an integer number (9282560).

Almost surely, 2106444731 is an apocalyptic number.

106444731 is a deficient number, since it is larger than the sum of its proper divisors (42076229).

106444731 is a wasteful number, since it uses less digits than its factorization.

106444731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15786.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 106444731 is about 10317.2055809701. The cubic root of 106444731 is about 473.9232949282.

The spelling of 106444731 in words is "one hundred six million, four hundred forty-four thousand, seven hundred thirty-one".

Divisors: 1 3 31 73 93 219 2263 6789 15679 47037 486049 1144567 1458147 3433701 35481577 106444731