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10387534 = 25193767
BaseRepresentation
bin100111101000…
…000001001110
3201112202000111
4213220001032
510124400114
61010350234
7154202233
oct47500116
921482014
1010387534
115955343
12358b37a
1321c9091
14154578a
15da2bc4
hex9e804e

10387534 has 4 divisors (see below), whose sum is σ = 15581304. Its totient is φ = 5193766.

The previous prime is 10387529. The next prime is 10387537. The reversal of 10387534 is 43578301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43578301 = 133352177.

It is a junction number, because it is equal to n+sod(n) for n = 10387496 and 10387505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2596882 + ... + 2596885.

It is an arithmetic number, because the mean of its divisors is an integer number (3895326).

Almost surely, 210387534 is an apocalyptic number.

10387534 is a deficient number, since it is larger than the sum of its proper divisors (5193770).

10387534 is an equidigital number, since it uses as much as digits as its factorization.

10387534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193769.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 10387534 is about 3222.9697485394. The cubic root of 10387534 is about 218.1913282576.

The spelling of 10387534 in words is "ten million, three hundred eighty-seven thousand, five hundred thirty-four".

Divisors: 1 2 5193767 10387534