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49311456 = 2531034987
BaseRepresentation
bin1011110000011…
…0111011100000
310102210021121020
42330012323200
5100110431311
64520525440
71136066115
oct274067340
9112707536
1049311456
1125920477
1214620880
13a2a6b9c
14679890c
1544e0c06
hex2f06ee0

49311456 has 48 divisors (see below), whose sum is σ = 130725504. Its totient is φ = 16274304.

The previous prime is 49311443. The next prime is 49311461. The reversal of 49311456 is 65411394.

49311456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7395 + ... + 12381.

It is an arithmetic number, because the mean of its divisors is an integer number (2723448).

Almost surely, 249311456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49311456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65362752).

49311456 is an abundant number, since it is smaller than the sum of its proper divisors (81414048).

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

49311456 is a wasteful number, since it uses less digits than its factorization.

49311456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5095 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 49311456 is about 7022.2116174322. The cubic root of 49311456 is about 366.7042488567.

The spelling of 49311456 in words is "forty-nine million, three hundred eleven thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 103 206 309 412 618 824 1236 1648 2472 3296 4944 4987 9888 9974 14961 19948 29922 39896 59844 79792 119688 159584 239376 478752 513661 1027322 1540983 2054644 3081966 4109288 6163932 8218576 12327864 16437152 24655728 49311456