Search a number
-
+
538079992 = 2367259999
BaseRepresentation
bin100000000100100…
…111001011111000
31101111111021222121
4200010213023320
52100222024432
6125220531024
716222414222
oct4004471370
91344437877
10538079992
1125680650a
12130250a74
1387628a38
1451669412
153238b197
hex201272f8

538079992 has 8 divisors (see below), whose sum is σ = 1008900000. Its totient is φ = 269039992.

The previous prime is 538079939. The next prime is 538080013. The reversal of 538079992 is 299970835.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33629992 + ... + 33630007.

It is an arithmetic number, because the mean of its divisors is an integer number (126112500).

Almost surely, 2538079992 is an apocalyptic number.

It is an amenable number.

538079992 is a deficient number, since it is larger than the sum of its proper divisors (470820008).

538079992 is a wasteful number, since it uses less digits than its factorization.

538079992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67260005 (or 67260001 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 538079992 is about 23196.5512953973. The cubic root of 538079992 is about 813.3590085657.

The spelling of 538079992 in words is "five hundred thirty-eight million, seventy-nine thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 67259999 134519998 269039996 538079992