Search a number
-
+
69630451 = 116330041
BaseRepresentation
bin1000010011001…
…11100111110011
311212000121000121
410021213213303
5120311133301
610524231111
71503564142
oct411474763
9155017017
1069630451
1136339430
121b39b497
131156c567
149367759
1561a63a1
hex42679f3

69630451 has 4 divisors (see below), whose sum is σ = 75960504. Its totient is φ = 63300400.

The previous prime is 69630413. The next prime is 69630461. The reversal of 69630451 is 15403696.

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

It is a cyclic number.

It is not a de Polignac number, because 69630451 - 217 = 69499379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69630461) 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, 3165010 + ... + 3165031.

It is an arithmetic number, because the mean of its divisors is an integer number (18990126).

Almost surely, 269630451 is an apocalyptic number.

69630451 is a deficient number, since it is larger than the sum of its proper divisors (6330053).

69630451 is a wasteful number, since it uses less digits than its factorization.

69630451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330052.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 69630451 is about 8344.4862633957. The cubic root of 69630451 is about 411.4020038430.

The spelling of 69630451 in words is "sixty-nine million, six hundred thirty thousand, four hundred fifty-one".

Divisors: 1 11 6330041 69630451