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109805954 = 2411339097
BaseRepresentation
bin1101000101110…
…00000110000010
321122121201110012
412202320012002
5211102242304
614521304522
72502222656
oct642700602
9248551405
10109805954
1156a89925
1230935142
1319997c4b
1410824a66
15999016e
hex68b8182

109805954 has 8 divisors (see below), whose sum is σ = 168726348. Its totient is φ = 53563840.

The previous prime is 109805953. The next prime is 109806013. The reversal of 109805954 is 459508901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95160025 + 14645929 = 9755^2 + 3827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (109805951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669467 + ... + 669630.

Almost surely, 2109805954 is an apocalyptic number.

109805954 is a deficient number, since it is larger than the sum of its proper divisors (58920394).

109805954 is a wasteful number, since it uses less digits than its factorization.

109805954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339140.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 109805954 is about 10478.8336182993. The cubic root of 109805954 is about 478.8600756737.

The spelling of 109805954 in words is "one hundred nine million, eight hundred five thousand, nine hundred fifty-four".

Divisors: 1 2 41 82 1339097 2678194 54902977 109805954