Search a number
-
+
838633164 = 22369886097
BaseRepresentation
bin110001111111001…
…000011011001100
32011110000222102120
4301333020123030
53204142230124
6215114452540
726532156435
oct6177103314
92143028376
10838633164
113a0428566
121b4a34150
1310498b555
147d54448c
154d958d79
hex31fc86cc

838633164 has 12 divisors (see below), whose sum is σ = 1956810744. Its totient is φ = 279544384.

The previous prime is 838633141. The next prime is 838633181. The reversal of 838633164 is 461336838.

It is a tau number, because it is divible by the number of its divisors (12).

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, 34943037 + ... + 34943060.

It is an arithmetic number, because the mean of its divisors is an integer number (163067562).

Almost surely, 2838633164 is an apocalyptic number.

It is an amenable number.

838633164 is an abundant number, since it is smaller than the sum of its proper divisors (1118177580).

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

838633164 is a wasteful number, since it uses less digits than its factorization.

838633164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69886104 (or 69886102 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 838633164 is about 28959.1637310196. The cubic root of 838633164 is about 943.0267472800.

The spelling of 838633164 in words is "eight hundred thirty-eight million, six hundred thirty-three thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 69886097 139772194 209658291 279544388 419316582 838633164