Search a number
-
+
105697450 = 2522113949
BaseRepresentation
bin1100100110011…
…01000010101010
321100212222122101
412103031002222
5204024304300
614253244014
72422261555
oct623150252
9240788571
10105697450
1154733071
122b49360a
1318b89b91
141007569c
15942cb6a
hex64cd0aa

105697450 has 12 divisors (see below), whose sum is σ = 196597350. Its totient is φ = 42278960.

The previous prime is 105697439. The next prime is 105697451. The reversal of 105697450 is 54796501.

It can be written as a sum of positive squares in 3 ways, for example, as 100861849 + 4835601 = 10043^2 + 2199^2 .

It is a super-2 number, since 2×1056974502 = 22343901873005000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105697451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056925 + ... + 1057024.

Almost surely, 2105697450 is an apocalyptic number.

105697450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105697450 is a deficient number, since it is larger than the sum of its proper divisors (90899900).

105697450 is a wasteful number, since it uses less digits than its factorization.

105697450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113961 (or 2113956 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 105697450 is about 10280.9265146678. The cubic root of 105697450 is about 472.8116511005.

The spelling of 105697450 in words is "one hundred five million, six hundred ninety-seven thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2113949 4227898 10569745 21139490 52848725 105697450