Search a number
-
+
53003139 = 372523959
BaseRepresentation
bin1100101000110…
…0001110000011
310200201211122020
43022030032003
5102032100024
65132012523
71212343050
oct312141603
9120654566
1053003139
1127a12052
1215901143
13ac9a307
14707a027
1549be979
hex328c383

53003139 has 8 divisors (see below), whose sum is σ = 80766720. Its totient is φ = 30287496.

The previous prime is 53003131. The next prime is 53003147. The reversal of 53003139 is 93130035.

It is an interprime number because it is at equal distance from previous prime (53003131) and next prime (53003147).

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

It is not a de Polignac number, because 53003139 - 23 = 53003131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53003131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261959 + ... + 1262000.

It is an arithmetic number, because the mean of its divisors is an integer number (10095840).

Almost surely, 253003139 is an apocalyptic number.

53003139 is a deficient number, since it is larger than the sum of its proper divisors (27763581).

53003139 is a wasteful number, since it uses less digits than its factorization.

53003139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523969.

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 53003139 is about 7280.3254734936. The cubic root of 53003139 is about 375.6359909870.

The spelling of 53003139 in words is "fifty-three million, three thousand, one hundred thirty-nine".

Divisors: 1 3 7 21 2523959 7571877 17667713 53003139