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30064037 = 43968483
BaseRepresentation
bin111001010101…
…1110110100101
32002120102002212
41302223312211
530144022122
62552213205
7513353153
oct162536645
962512085
1030064037
1115a74613
12a09a205
1362c8193
143dc83d3
15298cce2
hex1cabda5

30064037 has 4 divisors (see below), whose sum is σ = 30132960. Its totient is φ = 29995116.

The previous prime is 30064019. The next prime is 30064043. The reversal of 30064037 is 73046003.

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 30064037 - 210 = 30063013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30064057) 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, 33803 + ... + 34680.

It is an arithmetic number, because the mean of its divisors is an integer number (7533240).

Almost surely, 230064037 is an apocalyptic number.

It is an amenable number.

30064037 is a deficient number, since it is larger than the sum of its proper divisors (68923).

30064037 is an equidigital number, since it uses as much as digits as its factorization.

30064037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68922.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 30064037 is about 5483.0682104092. The cubic root of 30064037 is about 310.9441799715.

The spelling of 30064037 in words is "thirty million, sixty-four thousand, thirty-seven".

Divisors: 1 439 68483 30064037