Search a number
-
+
105402115 = 5713832791
BaseRepresentation
bin1100100100001…
…00111100000011
321100022222112001
412102010330003
5203440331430
614243044431
72416621540
oct622047403
9240288461
10105402115
1154551195
122b370717
1318ab5620
14ddd9bc7
1593c03ca
hex6484f03

105402115 has 32 divisors (see below), whose sum is σ = 157602816. Its totient is φ = 65888640.

The previous prime is 105402113. The next prime is 105402119. The reversal of 105402115 is 511204501.

It is not a de Polignac number, because 105402115 - 21 = 105402113 is a prime.

It is a super-2 number, since 2×1054021152 = 22219211692946450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105402092 and 105402101.

It is not an unprimeable number, because it can be changed into a prime (105402113) 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 31 ways as a sum of consecutive naturals, for example, 36370 + ... + 39160.

It is an arithmetic number, because the mean of its divisors is an integer number (4925088).

Almost surely, 2105402115 is an apocalyptic number.

105402115 is a deficient number, since it is larger than the sum of its proper divisors (52200701).

105402115 is a wasteful number, since it uses less digits than its factorization.

105402115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 105402115 is about 10266.5532190702. The cubic root of 105402115 is about 472.3708707165.

Adding to 105402115 its reverse (511204501), we get a palindrome (616606616).

The spelling of 105402115 in words is "one hundred five million, four hundred two thousand, one hundred fifteen".

Divisors: 1 5 7 13 35 65 83 91 415 455 581 1079 2791 2905 5395 7553 13955 19537 36283 37765 97685 181415 231653 253981 1158265 1269905 1621571 3011489 8107855 15057445 21080423 105402115