Search a number
-
+
3078378836 = 2213173794117
BaseRepresentation
bin1011011101111100…
…0101010101010100
321221112111211212222
42313133011111110
522301031110321
61225244201512
7136166534261
oct26737052524
97845454788
103078378836
11133a734645
1271ab39298
133a09c7a50
14212baa268
151303c73ab
hexb77c5554

3078378836 has 48 divisors (see below), whose sum is σ = 6308917776. Its totient is φ = 1301059584.

The previous prime is 3078378827. The next prime is 3078378839. The reversal of 3078378836 is 6388738703.

It can be written as a sum of positive squares in 8 ways, for example, as 124456336 + 2953922500 = 11156^2 + 54350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3078378839) 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, 14351 + ... + 79766.

It is an arithmetic number, because the mean of its divisors is an integer number (131435787).

Almost surely, 23078378836 is an apocalyptic number.

It is an amenable number.

3078378836 is an abundant number, since it is smaller than the sum of its proper divisors (3230538940).

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

3078378836 is a wasteful number, since it uses less digits than its factorization.

3078378836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94188 (or 94186 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The square root of 3078378836 is about 55483.1401058015. The cubic root of 3078378836 is about 1454.7019517596.

The spelling of 3078378836 in words is "three billion, seventy-eight million, three hundred seventy-eight thousand, eight hundred thirty-six".

Divisors: 1 2 4 13 17 26 34 37 52 68 74 148 221 442 481 629 884 962 1258 1924 2516 8177 16354 32708 94117 188234 376468 1223521 1599989 2447042 3199978 3482329 4894084 6399956 6964658 13929316 20799857 41599714 45270277 59199593 83199428 90540554 118399186 181081108 236798372 769594709 1539189418 3078378836