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10605439 = 131942937
BaseRepresentation
bin101000011101…
…001101111111
3201221210221001
4220131031333
510203333224
61015151131
7156100435
oct50351577
921853831
1010605439
115a94029
1236754a7
132274310
1415a0d55
15de7544
hexa1d37f

10605439 has 8 divisors (see below), whose sum is σ = 12022640. Its totient is φ = 9274176.

The previous prime is 10605431. The next prime is 10605443. The reversal of 10605439 is 93450601.

10605439 = 13272 + 13282 + ... + 13322.

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

It is a cyclic number.

It is not a de Polignac number, because 10605439 - 23 = 10605431 is a prime.

It is a super-2 number, since 2×106054392 = 224950672765442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10605431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21222 + ... + 21715.

It is an arithmetic number, because the mean of its divisors is an integer number (1502830).

Almost surely, 210605439 is an apocalyptic number.

10605439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10605439 is a deficient number, since it is larger than the sum of its proper divisors (1417201).

10605439 is a wasteful number, since it uses less digits than its factorization.

10605439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42969.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 10605439 is about 3256.5992998832. The cubic root of 10605439 is about 219.7064887537.

The spelling of 10605439 in words is "ten million, six hundred five thousand, four hundred thirty-nine".

Divisors: 1 13 19 247 42937 558181 815803 10605439