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507206701 = 7361711261
BaseRepresentation
bin11110001110110…
…101110000101101
31022100101202210101
4132032311300231
52014321103301
6122155111101
715366120511
oct3616656055
91270352711
10507206701
112403399a1
12121a42491
1381109411
144b510141
152e7dd701
hex1e3b5c2d

507206701 has 8 divisors (see below), whose sum is σ = 515033784. Its totient is φ = 499403520.

The previous prime is 507206681. The next prime is 507206731. The reversal of 507206701 is 107602705.

It can be written as a sum of positive squares in 4 ways, for example, as 101989801 + 405216900 = 10099^2 + 20130^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(507206701) divides (507206701-1)4.

It is a cyclic number.

It is not a de Polignac number, because 507206701 - 25 = 507206669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 507206701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507206731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39411 + ... + 50671.

It is an arithmetic number, because the mean of its divisors is an integer number (64379223).

It is a Poulet number, since it divides 2507206700-1.

Almost surely, 2507206701 is an apocalyptic number.

507206701 is the 11261-st decagonal number.

It is an amenable number.

507206701 is a deficient number, since it is larger than the sum of its proper divisors (7827083).

507206701 is a wasteful number, since it uses less digits than its factorization.

507206701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 507206701 is about 22521.2499875118. The cubic root of 507206701 is about 797.4956586275.

The spelling of 507206701 in words is "five hundred seven million, two hundred six thousand, seven hundred one".

Divisors: 1 73 617 11261 45041 822053 6948037 507206701