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30700733 = 74385819
BaseRepresentation
bin111010100011…
…1010010111101
32010202202111012
41311013102331
530324410413
63014005005
7521644340
oct165072275
963682435
1030700733
1116369a08
12a346765
13648bc1b
144112457
152a667a8
hex1d474bd

30700733 has 4 divisors (see below), whose sum is σ = 35086560. Its totient is φ = 26314908.

The previous prime is 30700723. The next prime is 30700771. The reversal of 30700733 is 33700703.

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 30700733 - 24 = 30700717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30700699 and 30700708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30700723) 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, 2192903 + ... + 2192916.

It is an arithmetic number, because the mean of its divisors is an integer number (8771640).

Almost surely, 230700733 is an apocalyptic number.

It is an amenable number.

30700733 is a deficient number, since it is larger than the sum of its proper divisors (4385827).

30700733 is an equidigital number, since it uses as much as digits as its factorization.

30700733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385826.

The product of its (nonzero) digits is 1323, while the sum is 23.

The square root of 30700733 is about 5540.8242166667. The cubic root of 30700733 is about 313.1239221188.

The spelling of 30700733 in words is "thirty million, seven hundred thousand, seven hundred thirty-three".

Divisors: 1 7 4385819 30700733