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634380701 = 6131103471
BaseRepresentation
bin100101110011111…
…110000110011101
31122012200212201112
4211303332012131
52244400140301
6142540551405
721502101263
oct4563760635
91565625645
10634380701
112a6100679
12158552565
13a15757c6
1460376433
153aa5e9bb
hex25cfe19d

634380701 has 4 divisors (see below), whose sum is σ = 634490304. Its totient is φ = 634271100.

The previous prime is 634380689. The next prime is 634380707. The reversal of 634380701 is 107083436.

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 a de Polignac number, because none of the positive numbers 2k-634380701 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 (634380707) 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, 45605 + ... + 57866.

It is an arithmetic number, because the mean of its divisors is an integer number (158622576).

Almost surely, 2634380701 is an apocalyptic number.

It is an amenable number.

634380701 is a deficient number, since it is larger than the sum of its proper divisors (109603).

634380701 is a wasteful number, since it uses less digits than its factorization.

634380701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109602.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 634380701 is about 25186.9152736098. The cubic root of 634380701 is about 859.2442888026.

The spelling of 634380701 in words is "six hundred thirty-four million, three hundred eighty thousand, seven hundred one".

Divisors: 1 6131 103471 634380701