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105669274 = 252834637
BaseRepresentation
bin1100100110001…
…10001010011010
321100211112222211
412103012022122
5204022404044
614252505334
72422113454
oct623061232
9240745884
10105669274
1154713987
122b47b24a
1318b7a0c9
14100692d4
159424634
hex64c629a

105669274 has 4 divisors (see below), whose sum is σ = 158503914. Its totient is φ = 52834636.

The previous prime is 105669257. The next prime is 105669283. The reversal of 105669274 is 472966501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472966501 = 767566643.

It can be written as a sum of positive squares in only one way, i.e., 69006249 + 36663025 = 8307^2 + 6055^2 .

It is a super-2 number, since 2×1056692742 = 22331990935374152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26417317 + ... + 26417320.

Almost surely, 2105669274 is an apocalyptic number.

105669274 is a deficient number, since it is larger than the sum of its proper divisors (52834640).

105669274 is an equidigital number, since it uses as much as digits as its factorization.

105669274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52834639.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 105669274 is about 10279.5561188215. The cubic root of 105669274 is about 472.7696345555.

The spelling of 105669274 in words is "one hundred five million, six hundred sixty-nine thousand, two hundred seventy-four".

Divisors: 1 2 52834637 105669274