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308134292 = 2277033573
BaseRepresentation
bin10010010111011…
…100000110010100
3210110210211210012
4102113130012110
51112340244132
650324215352
710431045464
oct2227340624
9713724705
10308134292
11148a2a944
128723a558
134bab83ab
142cccdba4
151c0b90b2
hex125dc194

308134292 has 6 divisors (see below), whose sum is σ = 539235018. Its totient is φ = 154067144.

The previous prime is 308134283. The next prime is 308134297. The reversal of 308134292 is 292431803.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 158659216 + 149475076 = 12596^2 + 12226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308134297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38516783 + ... + 38516790.

It is an arithmetic number, because the mean of its divisors is an integer number (89872503).

Almost surely, 2308134292 is an apocalyptic number.

It is an amenable number.

308134292 is a deficient number, since it is larger than the sum of its proper divisors (231100726).

308134292 is a wasteful number, since it uses less digits than its factorization.

308134292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77033577 (or 77033575 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 308134292 is about 17553.7543562624. The cubic root of 308134292 is about 675.4294784863.

It can be divided in two parts, 3081 and 34292, that added together give a palindrome (37373).

The spelling of 308134292 in words is "three hundred eight million, one hundred thirty-four thousand, two hundred ninety-two".

Divisors: 1 2 4 77033573 154067146 308134292