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10487842 = 221432447
BaseRepresentation
bin101000000000…
…100000100010
3201201211121121
4220000200202
510141102332
61012442454
7155100541
oct50004042
921654547
1010487842
115a13742
12361942a
132232931
141570158
15dc2797
hexa00822

10487842 has 8 divisors (see below), whose sum is σ = 15745536. Its totient is φ = 5239332.

The previous prime is 10487831. The next prime is 10487843. The reversal of 10487842 is 24878401.

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

It is a junction number, because it is equal to n+sod(n) for n = 10487798 and 10487807.

It is not an unprimeable number, because it can be changed into a prime (10487843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3063 + ... + 5509.

It is an arithmetic number, because the mean of its divisors is an integer number (1968192).

Almost surely, 210487842 is an apocalyptic number.

10487842 is a deficient number, since it is larger than the sum of its proper divisors (5257694).

10487842 is a wasteful number, since it uses less digits than its factorization.

10487842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 10487842 is about 3238.4937856973. The cubic root of 10487842 is about 218.8914065844.

The spelling of 10487842 in words is "ten million, four hundred eighty-seven thousand, eight hundred forty-two".

Divisors: 1 2 2143 2447 4286 4894 5243921 10487842