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68024284 = 22109156019
BaseRepresentation
bin1000000110111…
…11011111011100
311201222222202221
410003133133130
5114403234114
610425555124
71454124346
oct403373734
9151888687
1068024284
1135441719
121a945aa4
1311129473
14906a296
155e8a524
hex40df7dc

68024284 has 12 divisors (see below), whose sum is σ = 120135400. Its totient is φ = 33699888.

The previous prime is 68024279. The next prime is 68024291. The reversal of 68024284 is 48242086.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 77574 + ... + 78445.

Almost surely, 268024284 is an apocalyptic number.

It is an amenable number.

68024284 is a deficient number, since it is larger than the sum of its proper divisors (52111116).

68024284 is a wasteful number, since it uses less digits than its factorization.

68024284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156132 (or 156130 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 68024284 is about 8247.6835535804. The cubic root of 68024284 is about 408.2140921112.

It can be divided in two parts, 680 and 24284, that added together give a square (24964 = 1582).

The spelling of 68024284 in words is "sixty-eight million, twenty-four thousand, two hundred eighty-four".

Divisors: 1 2 4 109 218 436 156019 312038 624076 17006071 34012142 68024284