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30296501 = 131231271
BaseRepresentation
bin111001110010…
…0100110110101
32010000012222122
41303210212311
530223442001
63001205325
7515341664
oct163444665
963005878
1030296501
1116113234
12a190845
136379c31
144048ddb
1529d6b1b
hex1ce49b5

30296501 has 4 divisors (see below), whose sum is σ = 30527904. Its totient is φ = 30065100.

The previous prime is 30296491. The next prime is 30296531. The reversal of 30296501 is 10569203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10569203 = 10699887.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30296501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30296531) 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, 115505 + ... + 115766.

It is an arithmetic number, because the mean of its divisors is an integer number (7631976).

Almost surely, 230296501 is an apocalyptic number.

It is an amenable number.

30296501 is a deficient number, since it is larger than the sum of its proper divisors (231403).

30296501 is a wasteful number, since it uses less digits than its factorization.

30296501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231402.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 30296501 is about 5504.2257402836. The cubic root of 30296501 is about 311.7435605152.

The spelling of 30296501 in words is "thirty million, two hundred ninety-six thousand, five hundred one".

Divisors: 1 131 231271 30296501