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30149316 = 22321376113
BaseRepresentation
bin111001100000…
…0101011000100
32002201202002100
41303000223010
530204234231
62554112100
7514156611
oct163005304
962652070
1030149316
111602269a
12a11b630
136327c42
14400b508
1529a81e6
hex1cc0ac4

30149316 has 36 divisors (see below), whose sum is σ = 76779612. Its totient is φ = 9974784.

The previous prime is 30149303. The next prime is 30149393. The reversal of 30149316 is 61394103.

30149316 is a `hidden beast` number, since 301 + 49 + 316 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17189316 + 12960000 = 4146^2 + 3600^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30149316.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1876 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (2132767).

Almost surely, 230149316 is an apocalyptic number.

30149316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30149316 is an abundant number, since it is smaller than the sum of its proper divisors (46630296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30149316 is a wasteful number, since it uses less digits than its factorization.

30149316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260 (or 6255 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 30149316 is about 5490.8392801101. The cubic root of 30149316 is about 311.2379082737.

The spelling of 30149316 in words is "thirty million, one hundred forty-nine thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 137 274 411 548 822 1233 1644 2466 4932 6113 12226 18339 24452 36678 55017 73356 110034 220068 837481 1674962 2512443 3349924 5024886 7537329 10049772 15074658 30149316