Search a number
-
+
102828478 = 21726911243
BaseRepresentation
bin1100010000100…
…00100110111110
321011111020011011
412020100212332
5202311002403
614111545434
72356012324
oct610204676
9234436134
10102828478
1153053615
122a52b27a
13183c406c
14d929d14
159062a6d
hex62109be

102828478 has 16 divisors (see below), whose sum is σ = 163937520. Its totient is φ = 48205696.

The previous prime is 102828421. The next prime is 102828487. The reversal of 102828478 is 874828201.

It is a self number, because there is not a number n which added to its sum of digits gives 102828478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3525 + ... + 14767.

It is an arithmetic number, because the mean of its divisors is an integer number (10246095).

Almost surely, 2102828478 is an apocalyptic number.

102828478 is a deficient number, since it is larger than the sum of its proper divisors (61109042).

102828478 is a wasteful number, since it uses less digits than its factorization.

102828478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11531.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 102828478 is about 10140.4377617537. The cubic root of 102828478 is about 468.4944703166.

The spelling of 102828478 in words is "one hundred two million, eight hundred twenty-eight thousand, four hundred seventy-eight".

Divisors: 1 2 17 34 269 538 4573 9146 11243 22486 191131 382262 3024367 6048734 51414239 102828478