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4628507749 = 19243605671
BaseRepresentation
bin1000100111110000…
…10110110001100101
3102221120100112222221
410103320112301211
533434344221444
62043140552341
7222461444455
oct42370266145
912846315887
104628507749
111a65743418
12a920b26b1
13589bbbca8
1431c9dbd65
151c1524a84
hex113e16c65

4628507749 has 4 divisors (see below), whose sum is σ = 4872113440. Its totient is φ = 4384902060.

The previous prime is 4628507743. The next prime is 4628507777. The reversal of 4628507749 is 9477058264.

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 4628507749 - 219 = 4627983461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4628507696 and 4628507705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4628507743) 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, 121802817 + ... + 121802854.

It is an arithmetic number, because the mean of its divisors is an integer number (1218028360).

Almost surely, 24628507749 is an apocalyptic number.

It is an amenable number.

4628507749 is a deficient number, since it is larger than the sum of its proper divisors (243605691).

4628507749 is a wasteful number, since it uses less digits than its factorization.

4628507749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243605690.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 4628507749 is about 68033.1371391912. The cubic root of 4628507749 is about 1666.5320301152.

The spelling of 4628507749 in words is "four billion, six hundred twenty-eight million, five hundred seven thousand, seven hundred forty-nine".

Divisors: 1 19 243605671 4628507749