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505070501 = 13231689199
BaseRepresentation
bin11110000110101…
…100001110100101
31022012101020110212
4132012230032211
52013244224001
6122041225205
715342012515
oct3606541645
91265336425
10505070501
1123a10aa41
12121192205
138083bcb0
144b115845
152e51a7bb
hex1e1ac3a5

505070501 has 8 divisors (see below), whose sum is σ = 567571200. Its totient is φ = 445948272.

The previous prime is 505070479. The next prime is 505070509. The reversal of 505070501 is 105070505.

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 505070501 - 26 = 505070437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505070509) 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, 844301 + ... + 844898.

It is an arithmetic number, because the mean of its divisors is an integer number (70946400).

Almost surely, 2505070501 is an apocalyptic number.

It is an amenable number.

505070501 is a deficient number, since it is larger than the sum of its proper divisors (62500699).

505070501 is a wasteful number, since it uses less digits than its factorization.

505070501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689235.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 505070501 is about 22473.7736261626. The cubic root of 505070501 is about 796.3744802663.

The spelling of 505070501 in words is "five hundred five million, seventy thousand, five hundred one".

Divisors: 1 13 23 299 1689199 21959587 38851577 505070501