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30733423 = 74390489
BaseRepresentation
bin111010100111…
…1010001101111
32010211102022221
41311033101233
530331432143
63014420211
7522141550
oct165172157
963742287
1030733423
1116391526
12a361667
1364a0a76
144120327
152a712ed
hex1d4f46f

30733423 has 4 divisors (see below), whose sum is σ = 35123920. Its totient is φ = 26342928.

The previous prime is 30733363. The next prime is 30733453. The reversal of 30733423 is 32433703.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30733423 - 213 = 30725231 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 (30733453) 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, 2195238 + ... + 2195251.

It is an arithmetic number, because the mean of its divisors is an integer number (8780980).

Almost surely, 230733423 is an apocalyptic number.

30733423 is a deficient number, since it is larger than the sum of its proper divisors (4390497).

30733423 is an equidigital number, since it uses as much as digits as its factorization.

30733423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390496.

The product of its (nonzero) digits is 4536, while the sum is 25.

The square root of 30733423 is about 5543.7733539531. The cubic root of 30733423 is about 313.2350203356.

The spelling of 30733423 in words is "thirty million, seven hundred thirty-three thousand, four hundred twenty-three".

Divisors: 1 7 4390489 30733423