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30149601 = 310049867
BaseRepresentation
bin111001100000…
…0101111100001
32002201202110220
41303000233201
530204241401
62554113253
7514160466
oct163005741
962652426
1030149601
1116022929
12a11b829
136328101
14400b66d
1529a8336
hex1cc0be1

30149601 has 4 divisors (see below), whose sum is σ = 40199472. Its totient is φ = 20099732.

The previous prime is 30149591. The next prime is 30149617. The reversal of 30149601 is 10694103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30149601 - 29 = 30149089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30149641) 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, 5024931 + ... + 5024936.

It is an arithmetic number, because the mean of its divisors is an integer number (10049868).

Almost surely, 230149601 is an apocalyptic number.

It is an amenable number.

30149601 is a deficient number, since it is larger than the sum of its proper divisors (10049871).

30149601 is a wasteful number, since it uses less digits than its factorization.

30149601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049870.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 30149601 is about 5490.8652323655. The cubic root of 30149601 is about 311.2388889761.

The spelling of 30149601 in words is "thirty million, one hundred forty-nine thousand, six hundred one".

Divisors: 1 3 10049867 30149601