Search a number
-
+
48870774 = 23219142897
BaseRepresentation
bin1011101001101…
…1010101110110
310101221220002200
42322123111312
5100002331044
64503245330
71132252251
oct272332566
9111856080
1048870774
112564a377
1214449846
13a181424
1466c2098
154455369
hex2e9b576

48870774 has 24 divisors (see below), whose sum is σ = 111460440. Its totient is φ = 15432768.

The previous prime is 48870763. The next prime is 48870779. The reversal of 48870774 is 47707884.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48870779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71107 + ... + 71790.

It is an arithmetic number, because the mean of its divisors is an integer number (4644185).

Almost surely, 248870774 is an apocalyptic number.

48870774 is an abundant number, since it is smaller than the sum of its proper divisors (62589666).

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

48870774 is a wasteful number, since it uses less digits than its factorization.

48870774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142924 (or 142921 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 48870774 is about 6990.7634776182. The cubic root of 48870774 is about 365.6086024643.

The spelling of 48870774 in words is "forty-eight million, eight hundred seventy thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 142897 285794 428691 857382 1286073 2572146 2715043 5430086 8145129 16290258 24435387 48870774