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30767413 = 269114377
BaseRepresentation
bin111010101011…
…1100100110101
32010220010221211
41311113210311
530334024123
63015241421
7522342625
oct165274465
963803854
1030767413
1116405016
12a379271
1364b3391
14412c885
152a7b40d
hex1d57935

30767413 has 4 divisors (see below), whose sum is σ = 30882060. Its totient is φ = 30652768.

The previous prime is 30767357. The next prime is 30767423. The reversal of 30767413 is 31476703.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 29517489 = 1118^2 + 5433^2 .

It is a cyclic number.

It is not a de Polignac number, because 30767413 - 213 = 30759221 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 (30767423) 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, 56920 + ... + 57457.

It is an arithmetic number, because the mean of its divisors is an integer number (7720515).

Almost surely, 230767413 is an apocalyptic number.

It is an amenable number.

30767413 is a deficient number, since it is larger than the sum of its proper divisors (114647).

30767413 is a wasteful number, since it uses less digits than its factorization.

30767413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114646.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 30767413 is about 5546.8381083280. The cubic root of 30767413 is about 313.3504531414.

The spelling of 30767413 in words is "thirty million, seven hundred sixty-seven thousand, four hundred thirteen".

Divisors: 1 269 114377 30767413