Search a number
-
+
388007948 = 22895110837
BaseRepresentation
bin10111001000001…
…000100000001100
31000001002211211202
4113020020200030
51243312223243
6102300205032
712421004336
oct2710104014
91001084752
10388007948
1118a025129
12a9b39778
1362503103
1439762456
15240e54b8
hex1720880c

388007948 has 12 divisors (see below), whose sum is σ = 679152432. Its totient is φ = 193964400.

The previous prime is 388007941. The next prime is 388007951. The reversal of 388007948 is 849700883.

It is a super-2 number, since 2×3880079482 = 301100335422341408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (388007941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30386 + ... + 41222.

It is an arithmetic number, because the mean of its divisors is an integer number (56596036).

Almost surely, 2388007948 is an apocalyptic number.

It is an amenable number.

388007948 is a deficient number, since it is larger than the sum of its proper divisors (291144484).

388007948 is a wasteful number, since it uses less digits than its factorization.

388007948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19792 (or 19790 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 388007948 is about 19697.9173518420. The cubic root of 388007948 is about 729.3682831658.

The spelling of 388007948 in words is "three hundred eighty-eight million, seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 8951 10837 17902 21674 35804 43348 97001987 194003974 388007948