Search a number
-
+
649070429 = 7557166471
BaseRepresentation
bin100110101100000…
…000011101011101
31200020100012020112
4212230000131131
52312130223204
6144223455405
722041002420
oct4654003535
91606305215
10649070429
11303424247
12161457565
13a4619b57
14622bb9b7
153beb226e
hex26b0075d

649070429 has 8 divisors (see below), whose sum is σ = 743131008. Its totient is φ = 555343920.

The previous prime is 649070413. The next prime is 649070437. The reversal of 649070429 is 924070946.

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 649070429 - 24 = 649070413 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 (649070449) 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, 79337 + ... + 87134.

It is an arithmetic number, because the mean of its divisors is an integer number (92891376).

Almost surely, 2649070429 is an apocalyptic number.

It is an amenable number.

649070429 is a deficient number, since it is larger than the sum of its proper divisors (94060579).

649070429 is a wasteful number, since it uses less digits than its factorization.

649070429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167035.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 649070429 is about 25476.8606582522. The cubic root of 649070429 is about 865.8259694883.

The spelling of 649070429 in words is "six hundred forty-nine million, seventy thousand, four hundred twenty-nine".

Divisors: 1 7 557 3899 166471 1165297 92724347 649070429