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306053078 = 2997153487
BaseRepresentation
bin10010001111011…
…111111111010110
3210022220002220012
4102033133333112
51111322144303
650211440222
710404260012
oct2217377726
9708802805
10306053078
11147839231
12865b6072
134b539cc6
142c90b542
151bd075d8
hex123dffd6

306053078 has 8 divisors (see below), whose sum is σ = 459543072. Its totient is φ = 152872056.

The previous prime is 306053071. The next prime is 306053101. The reversal of 306053078 is 870350603.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306053071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74750 + ... + 78737.

It is an arithmetic number, because the mean of its divisors is an integer number (57442884).

Almost surely, 2306053078 is an apocalyptic number.

306053078 is a deficient number, since it is larger than the sum of its proper divisors (153489994).

306053078 is a wasteful number, since it uses less digits than its factorization.

306053078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154486.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 306053078 is about 17494.3727524024. The cubic root of 306053078 is about 673.9053702259.

The spelling of 306053078 in words is "three hundred six million, fifty-three thousand, seventy-eight".

Divisors: 1 2 997 1994 153487 306974 153026539 306053078