Search a number
-
+
52299915 = 3516272143
BaseRepresentation
bin1100011110000…
…0100010001011
310122102002222220
43013200202023
5101342044130
65104545123
71203353613
oct307404213
9118362886
1052299915
1127581778
12156221a3
13aab21c5
146d35a43
1548d1410
hex31e088b

52299915 has 16 divisors (see below), whose sum is σ = 83770368. Its totient is φ = 27863136.

The previous prime is 52299899. The next prime is 52299941. The reversal of 52299915 is 51999225.

It is a happy number.

It is not a de Polignac number, because 52299915 - 24 = 52299899 is a prime.

It is a super-2 number, since 2×522999152 = 5470562218014450, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23334 + ... + 25476.

It is an arithmetic number, because the mean of its divisors is an integer number (5235648).

Almost surely, 252299915 is an apocalyptic number.

52299915 is a deficient number, since it is larger than the sum of its proper divisors (31470453).

52299915 is a wasteful number, since it uses less digits than its factorization.

52299915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778.

The product of its digits is 72900, while the sum is 42.

The square root of 52299915 is about 7231.8680159417. The cubic root of 52299915 is about 373.9673277339.

The spelling of 52299915 in words is "fifty-two million, two hundred ninety-nine thousand, nine hundred fifteen".

Divisors: 1 3 5 15 1627 2143 4881 6429 8135 10715 24405 32145 3486661 10459983 17433305 52299915