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30739933 = 737118687
BaseRepresentation
bin111010101000…
…0110111011101
32010211202021001
41311100313131
530332134213
63014510301
7522166540
oct165206735
963752231
1030739933
1116396404
12a365391
1364a3a13
144122857
152a731dd
hex1d50ddd

30739933 has 8 divisors (see below), whose sum is σ = 36081152. Its totient is φ = 25636176.

The previous prime is 30739909. The next prime is 30739939. The reversal of 30739933 is 33993703.

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 30739933 - 213 = 30731741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30739892 and 30739901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30739939) 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, 59085 + ... + 59602.

It is an arithmetic number, because the mean of its divisors is an integer number (4510144).

Almost surely, 230739933 is an apocalyptic number.

It is an amenable number.

30739933 is a deficient number, since it is larger than the sum of its proper divisors (5341219).

30739933 is a wasteful number, since it uses less digits than its factorization.

30739933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118731.

The product of its (nonzero) digits is 45927, while the sum is 37.

The square root of 30739933 is about 5544.3604680793. The cubic root of 30739933 is about 313.2571354123.

The spelling of 30739933 in words is "thirty million, seven hundred thirty-nine thousand, nine hundred thirty-three".

Divisors: 1 7 37 259 118687 830809 4391419 30739933