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30714995 = 537166027
BaseRepresentation
bin111010100101…
…0110001110011
32010210111001102
41311022301303
530330334440
63014155015
7522034043
oct165126163
963714042
1030714995
11163796a3
12a352a6b
13649556c
144117723
152a6ab15
hex1d4ac73

30714995 has 8 divisors (see below), whose sum is σ = 37854384. Its totient is φ = 23907744.

The previous prime is 30714991. The next prime is 30714997. The reversal of 30714995 is 59941703.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30714995 - 22 = 30714991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30714991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82829 + ... + 83198.

It is an arithmetic number, because the mean of its divisors is an integer number (4731798).

Almost surely, 230714995 is an apocalyptic number.

30714995 is a deficient number, since it is larger than the sum of its proper divisors (7139389).

30714995 is a wasteful number, since it uses less digits than its factorization.

30714995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166069.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 30714995 is about 5542.1110598760. Note that the first 3 decimals coincide. The cubic root of 30714995 is about 313.1724017651.

The spelling of 30714995 in words is "thirty million, seven hundred fourteen thousand, nine hundred ninety-five".

Divisors: 1 5 37 185 166027 830135 6142999 30714995