Search a number
-
+
52578087 = 350334843
BaseRepresentation
bin1100100010010…
…0011100100111
310122221020120120
43020210130213
5101424444322
65114533023
71205622612
oct310443447
9118836516
1052578087
1127751771
1215737173
13ab7b9c3
146da9179
154938a5c
hex3224727

52578087 has 8 divisors (see below), whose sum is σ = 70245504. Its totient is φ = 34981368.

The previous prime is 52578083. The next prime is 52578091. The reversal of 52578087 is 78087525.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52578083) and next prime (52578091).

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

It is not a de Polignac number, because 52578087 - 22 = 52578083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52578083) 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, 15913 + ... + 18930.

It is an arithmetic number, because the mean of its divisors is an integer number (8780688).

Almost surely, 252578087 is an apocalyptic number.

52578087 is a deficient number, since it is larger than the sum of its proper divisors (17667417).

52578087 is a wasteful number, since it uses less digits than its factorization.

52578087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35349.

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 52578087 is about 7251.0748858359. The cubic root of 52578087 is about 374.6291729759.

The spelling of 52578087 in words is "fifty-two million, five hundred seventy-eight thousand, eighty-seven".

Divisors: 1 3 503 1509 34843 104529 17526029 52578087