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716472321 = 34310751907
BaseRepresentation
bin101010101101001…
…000000000000001
31211221011120020220
4222231020000001
52431404103241
6155032253253
723516625405
oct5255100001
91757146226
10716472321
11338480294
1217bb41229
13b5588c26
146b225105
1542d78166
hex2ab48001

716472321 has 16 divisors (see below), whose sum is σ = 986667264. Its totient is φ = 462171024.

The previous prime is 716472307. The next prime is 716472331. The reversal of 716472321 is 123274617.

It is not a de Polignac number, because 716472321 - 26 = 716472257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (716472301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12151 + ... + 39756.

It is an arithmetic number, because the mean of its divisors is an integer number (61666704).

It is a Proth number, since it is equal to 21865 ⋅ 215 + 1 and 21865 < 215.

Almost surely, 2716472321 is an apocalyptic number.

It is an amenable number.

716472321 is a deficient number, since it is larger than the sum of its proper divisors (270194943).

716472321 is a wasteful number, since it uses less digits than its factorization.

716472321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52060.

The product of its digits is 14112, while the sum is 33.

The square root of 716472321 is about 26767.0005977510. Note that the first 3 decimals coincide. The cubic root of 716472321 is about 894.8147597863.

The spelling of 716472321 in words is "seven hundred sixteen million, four hundred seventy-two thousand, three hundred twenty-one".

Divisors: 1 3 43 107 129 321 4601 13803 51907 155721 2232001 5554049 6696003 16662147 238824107 716472321