Search a number
-
+
105516542 = 252758271
BaseRepresentation
bin1100100101000…
…00110111111110
321100112210111002
412102200313332
5204003012132
614245330302
72420606255
oct622406776
9240483432
10105516542
115461a15a
122b406992
1318b25731
141002979c
1593e4262
hex64a0dfe

105516542 has 4 divisors (see below), whose sum is σ = 158274816. Its totient is φ = 52758270.

The previous prime is 105516533. The next prime is 105516547. The reversal of 105516542 is 245615501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245615501 = 673665903.

It is a super-2 number, since 2×1055165422 = 22267481271275528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105516547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26379134 + ... + 26379137.

It is an arithmetic number, because the mean of its divisors is an integer number (39568704).

Almost surely, 2105516542 is an apocalyptic number.

105516542 is a deficient number, since it is larger than the sum of its proper divisors (52758274).

105516542 is an equidigital number, since it uses as much as digits as its factorization.

105516542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52758273.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 105516542 is about 10272.1245124852. The cubic root of 105516542 is about 472.5417478486.

The spelling of 105516542 in words is "one hundred five million, five hundred sixteen thousand, five hundred forty-two".

Divisors: 1 2 52758271 105516542