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30207048 = 2331258627
BaseRepresentation
bin111001100111…
…0110001001000
32002211200021120
41303032301020
530213111143
62555235240
7514520124
oct163166110
962750246
1030207048
1116062003
12a148b20
1363482c1
144024584
1529ba383
hex1ccec48

30207048 has 16 divisors (see below), whose sum is σ = 75517680. Its totient is φ = 10069008.

The previous prime is 30207043. The next prime is 30207071. The reversal of 30207048 is 84070203.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1258627 = 30207048 / (3 + 0 + 2 + 0 + 7 + 0 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (30207043) 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, 629290 + ... + 629337.

It is an arithmetic number, because the mean of its divisors is an integer number (4719855).

Almost surely, 230207048 is an apocalyptic number.

It is an amenable number.

30207048 is an abundant number, since it is smaller than the sum of its proper divisors (45310632).

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

30207048 is a wasteful number, since it uses less digits than its factorization.

30207048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258636 (or 1258632 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 30207048 is about 5496.0938856610. The cubic root of 30207048 is about 311.4364415789.

The spelling of 30207048 in words is "thirty million, two hundred seven thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 24 1258627 2517254 3775881 5034508 7551762 10069016 15103524 30207048