[go: up one dir, main page]

Search a number
-
+
48947904 = 263284979
BaseRepresentation
bin1011101010111…
…0001011000000
310102002210220100
42322232023000
5100012313104
64505042400
71133023155
oct272561300
9112083810
1048947904
11256a2315
1214486400
13a1aa575
14670222c
15446d139
hex2eae2c0

48947904 has 42 divisors (see below), whose sum is σ = 140301980. Its totient is φ = 16315776.

The previous prime is 48947903. The next prime is 48947939. The reversal of 48947904 is 40974984.

It is a self number, because there is not a number n which added to its sum of digits gives 48947904.

It is not an unprimeable number, because it can be changed into a prime (48947903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41914 + ... + 43065.

Almost surely, 248947904 is an apocalyptic number.

It is an amenable number.

48947904 is an abundant number, since it is smaller than the sum of its proper divisors (91354076).

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

48947904 is a wasteful number, since it uses less digits than its factorization.

48947904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84997 (or 84984 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 48947904 is about 6996.2778675521. The cubic root of 48947904 is about 365.8008412130.

The spelling of 48947904 in words is "forty-eight million, nine hundred forty-seven thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 84979 169958 254937 339916 509874 679832 764811 1019748 1359664 1529622 2039496 2719328 3059244 4078992 5438656 6118488 8157984 12236976 16315968 24473952 48947904