Search a number
-
+
428114157 = 32313147363
BaseRepresentation
bin11001100001001…
…000000011101101
31002211120110012220
4121201020003231
51334044123112
6110251545553
713415624142
oct3141100355
91084513186
10428114157
111aa728559
12bb45b2b9
136a9060b3
1440c023c9
15278b898c
hex198480ed

428114157 has 16 divisors (see below), whose sum is σ = 600196608. Its totient is φ = 270910640.

The previous prime is 428114131. The next prime is 428114191. The reversal of 428114157 is 751411824.

It is a cyclic number.

It is not a de Polignac number, because 428114157 - 211 = 428112109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428114257) 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, 14643 + ... + 32720.

It is an arithmetic number, because the mean of its divisors is an integer number (37512288).

Almost surely, 2428114157 is an apocalyptic number.

It is an amenable number.

428114157 is a deficient number, since it is larger than the sum of its proper divisors (172082451).

428114157 is a wasteful number, since it uses less digits than its factorization.

428114157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47520.

The product of its digits is 8960, while the sum is 33.

The square root of 428114157 is about 20690.9196750652. The cubic root of 428114157 is about 753.6792000252.

The spelling of 428114157 in words is "four hundred twenty-eight million, one hundred fourteen thousand, one hundred fifty-seven".

Divisors: 1 3 23 69 131 393 3013 9039 47363 142089 1089349 3268047 6204553 18613659 142704719 428114157