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5201691 = 311157627
BaseRepresentation
bin10011110101111100011011
3100210021101020
4103311330123
52312423231
6303253523
762133165
oct23657433
910707336
105201691
112a33120
1218aa2a3
131101831
14995935
156cb396
hex4f5f1b

5201691 has 8 divisors (see below), whose sum is σ = 7566144. Its totient is φ = 3152520.

The previous prime is 5201689. The next prime is 5201699. The reversal of 5201691 is 1961025.

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

It is not a de Polignac number, because 5201691 - 21 = 5201689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5201699) 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, 78781 + ... + 78846.

It is an arithmetic number, because the mean of its divisors is an integer number (945768).

Almost surely, 25201691 is an apocalyptic number.

5201691 is a deficient number, since it is larger than the sum of its proper divisors (2364453).

5201691 is a wasteful number, since it uses less digits than its factorization.

5201691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157641.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 5201691 is about 2280.7215963374. The cubic root of 5201691 is about 173.2665986525.

It can be divided in two parts, 520 and 1691, that added together give a triangular number (2211 = T66).

The spelling of 5201691 in words is "five million, two hundred one thousand, six hundred ninety-one".

Divisors: 1 3 11 33 157627 472881 1733897 5201691