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716669053 = 4161286553
BaseRepresentation
bin101010101101111…
…000000001111101
31211221112120010021
4222231320001331
52431431402203
6155040412141
723521405102
oct5255700175
91757476107
10716669053
113385a5081
12180017051
13b5627639
146b276aa9
1542db65bd
hex2ab7807d

716669053 has 8 divisors (see below), whose sum is σ = 746186616. Its totient is φ = 687724800.

The previous prime is 716669027. The next prime is 716669059. The reversal of 716669053 is 350966617.

It can be written as a sum of positive squares in 4 ways, for example, as 97555129 + 619113924 = 9877^2 + 24882^2 .

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 716669053 - 221 = 714571901 is a prime.

It is a super-2 number, since 2×7166690532 = 1027229063055833618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716669059) 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, 140776 + ... + 145777.

It is an arithmetic number, because the mean of its divisors is an integer number (93273327).

Almost surely, 2716669053 is an apocalyptic number.

It is an amenable number.

716669053 is a deficient number, since it is larger than the sum of its proper divisors (29517563).

716669053 is a wasteful number, since it uses less digits than its factorization.

716669053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286655.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 716669053 is about 26770.6752436318. The cubic root of 716669053 is about 894.8966529649.

The spelling of 716669053 in words is "seven hundred sixteen million, six hundred sixty-nine thousand, fifty-three".

Divisors: 1 41 61 2501 286553 11748673 17479733 716669053