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30177968 = 2441179257
BaseRepresentation
bin111001100011…
…1101010110000
32002210012101112
41303013222300
530211143333
62554452452
7514336262
oct163075260
962705345
1030177968
1116042177
12a134128
136337cb2
144017b32
1529b1948
hex1cc7ab0

30177968 has 40 divisors (see below), whose sum is σ = 60464880. Its totient is φ = 14581760.

The previous prime is 30177967. The next prime is 30177971. The reversal of 30177968 is 86977103.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (30177967) 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 in 7 ways as a sum of consecutive naturals, for example, 117296 + ... + 117552.

It is an arithmetic number, because the mean of its divisors is an integer number (1511622).

Almost surely, 230177968 is an apocalyptic number.

It is an amenable number.

30177968 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

30177968 is a wasteful number, since it uses less digits than its factorization.

30177968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 30177968 is about 5493.4477334366. The cubic root of 30177968 is about 311.3364706549.

The spelling of 30177968 in words is "thirty million, one hundred seventy-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 41 82 164 179 257 328 358 514 656 716 1028 1432 2056 2864 4112 7339 10537 14678 21074 29356 42148 46003 58712 84296 92006 117424 168592 184012 368024 736048 1886123 3772246 7544492 15088984 30177968