Search a number
-
+
252728108 = 2285973553
BaseRepresentation
bin11110001000001…
…01001100101100
3122121112220210022
433010011030230
51004144244413
641024501312
76156103433
oct1704051454
9577486708
10252728108
1111a727406
127077a838
1340489379
14257ca11a
15172c2608
hexf10532c

252728108 has 12 divisors (see below), whose sum is σ = 442795080. Its totient is φ = 126215232.

The previous prime is 252728057. The next prime is 252728123. The reversal of 252728108 is 801827252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33341 + ... + 40212.

It is an arithmetic number, because the mean of its divisors is an integer number (36899590).

Almost surely, 2252728108 is an apocalyptic number.

It is an amenable number.

252728108 is a deficient number, since it is larger than the sum of its proper divisors (190066972).

252728108 is a wasteful number, since it uses less digits than its factorization.

252728108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74416 (or 74414 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 252728108 is about 15897.4245712946. The cubic root of 252728108 is about 632.2437070850.

The spelling of 252728108 in words is "two hundred fifty-two million, seven hundred twenty-eight thousand, one hundred eight".

Divisors: 1 2 4 859 1718 3436 73553 147106 294212 63182027 126364054 252728108