Search a number
-
+
390429302 = 2195214651
BaseRepresentation
bin10111010001010…
…111101001110110
31000012122212022112
4113101113221312
51244422214202
6102424131022
712450410564
oct2721275166
91005585275
10390429302
1119042934a
12aa906a72
1362b70273
1439bd2a34
1524422b52
hex17457a76

390429302 has 4 divisors (see below), whose sum is σ = 585643956. Its totient is φ = 195214650.

The previous prime is 390429289. The next prime is 390429307. The reversal of 390429302 is 203924093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203924093 = 1910732847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390429307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97607324 + ... + 97607327.

It is an arithmetic number, because the mean of its divisors is an integer number (146410989).

Almost surely, 2390429302 is an apocalyptic number.

390429302 is a deficient number, since it is larger than the sum of its proper divisors (195214654).

390429302 is a wasteful number, since it uses less digits than its factorization.

390429302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195214653.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 390429302 is about 19759.2839445158. The cubic root of 390429302 is about 730.8823396180.

The spelling of 390429302 in words is "three hundred ninety million, four hundred twenty-nine thousand, three hundred two".

Divisors: 1 2 195214651 390429302