Search a number
-
+
105001663 = 1329674157
BaseRepresentation
bin1100100001000…
…11001010111111
321022120122012111
412100203022333
5203340023123
614230314451
72413333204
oct620431277
9238518174
10105001663
11542a8338
122b1b8a27
13189a5280
14dd33cab
15934190d
hex64232bf

105001663 has 16 divisors (see below), whose sum is σ = 118752480. Its totient is φ = 92163456.

The previous prime is 105001661. The next prime is 105001669. The reversal of 105001663 is 366100501.

It is a cyclic number.

It is not a de Polignac number, because 105001663 - 21 = 105001661 is a prime.

It is a super-2 number, since 2×1050016632 = 22050698465531138, 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 (105001661) 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, 23181 + ... + 27337.

It is an arithmetic number, because the mean of its divisors is an integer number (7422030).

Almost surely, 2105001663 is an apocalyptic number.

105001663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105001663 is a deficient number, since it is larger than the sum of its proper divisors (13750817).

105001663 is a wasteful number, since it uses less digits than its factorization.

105001663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 105001663 is about 10247.0319117294. The cubic root of 105001663 is about 471.7718886614.

The spelling of 105001663 in words is "one hundred five million, one thousand, six hundred sixty-three".

Divisors: 1 13 29 67 377 871 1943 4157 25259 54041 120553 278519 1567189 3620747 8077051 105001663