Search a number
-
+
49311928 = 236163991
BaseRepresentation
bin1011110000011…
…1000010111000
310102210022020201
42330013002320
5100110440203
64520531544
71136100361
oct274070270
9112708221
1049311928
1125920866
1214620bb4
13a2a7173
146798b68
1544e0e1d
hex2f070b8

49311928 has 8 divisors (see below), whose sum is σ = 92459880. Its totient is φ = 24655960.

The previous prime is 49311907. The next prime is 49311949. The reversal of 49311928 is 82911394.

It is an interprime number because it is at equal distance from previous prime (49311907) and next prime (49311949).

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 3081988 + ... + 3082003.

It is an arithmetic number, because the mean of its divisors is an integer number (11557485).

Almost surely, 249311928 is an apocalyptic number.

It is an amenable number.

49311928 is a deficient number, since it is larger than the sum of its proper divisors (43147952).

49311928 is a wasteful number, since it uses less digits than its factorization.

49311928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163997 (or 6163993 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 49311928 is about 7022.2452249975. The cubic root of 49311928 is about 366.7054188611.

It can be divided in two parts, 4931 and 1928, that added together give a cube (6859 = 193).

The spelling of 49311928 in words is "forty-nine million, three hundred eleven thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 6163991 12327982 24655964 49311928