Search a number
-
+
70679828 = 2223768259
BaseRepresentation
bin1000011011001…
…11110100010100
311220222220111102
410031213310110
5121043223303
611002525232
71515524432
oct415476424
9156886442
1070679828
113699588a
121b806818
13118490ab
14955bd52
156312288
hex4367d14

70679828 has 12 divisors (see below), whose sum is σ = 129067680. Its totient is φ = 33803352.

The previous prime is 70679809. The next prime is 70679837. The reversal of 70679828 is 82897607.

It is a super-2 number, since 2×706798282 = 9991276172219168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384038 + ... + 384221.

It is an arithmetic number, because the mean of its divisors is an integer number (10755640).

Almost surely, 270679828 is an apocalyptic number.

It is an amenable number.

70679828 is a deficient number, since it is larger than the sum of its proper divisors (58387852).

70679828 is a wasteful number, since it uses less digits than its factorization.

70679828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768286 (or 768284 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 70679828 is about 8407.1295933868. The cubic root of 70679828 is about 413.4584079227.

The spelling of 70679828 in words is "seventy million, six hundred seventy-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 4 23 46 92 768259 1536518 3073036 17669957 35339914 70679828