Search a number
-
+
378679956 = 223198092053
BaseRepresentation
bin10110100100100…
…011001010010100
3222101112221020120
4112210203022110
51233420224311
6101324231540
712245504124
oct2644431224
9871487216
10378679956
11184833946
12a699b5b0
13605b83a5
1438414c84
15233a1706
hex16923294

378679956 has 48 divisors (see below), whose sum is σ = 931694400. Its totient is φ = 119377152.

The previous prime is 378679933. The next prime is 378679957. The reversal of 378679956 is 659976873.

It is a self number, because there is not a number n which added to its sum of digits gives 378679956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378679957) 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, 183426 + ... + 185478.

It is an arithmetic number, because the mean of its divisors is an integer number (19410300).

Almost surely, 2378679956 is an apocalyptic number.

It is an amenable number.

378679956 is an abundant number, since it is smaller than the sum of its proper divisors (553014444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378679956 is a wasteful number, since it uses less digits than its factorization.

378679956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888 (or 2886 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 60.

The square root of 378679956 is about 19459.7008198996. The cubic root of 378679956 is about 723.4759620678.

The spelling of 378679956 in words is "three hundred seventy-eight million, six hundred seventy-nine thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 809 1618 2053 2427 3236 4106 4854 6159 8212 9708 12318 15371 24636 30742 39007 46113 61484 78014 92226 117021 156028 184452 234042 468084 1660877 3321754 4982631 6643508 9965262 19930524 31556663 63113326 94669989 126226652 189339978 378679956