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49123152 = 2433138747
BaseRepresentation
bin1011101101100…
…0111101010000
310102102201022000
42323120331100
5100033420102
64512514000
71134353121
oct273307520
9112381260
1049123152
1125801a51
121454b900
13a23c270
14674a048
1544a501c
hex2ed8f50

49123152 has 80 divisors (see below), whose sum is σ = 151865280. Its totient is φ = 15113088.

The previous prime is 49123111. The next prime is 49123153. The reversal of 49123152 is 25132194.

49123152 is a `hidden beast` number, since 491 + 23 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49123153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243 + ... + 9989.

It is an arithmetic number, because the mean of its divisors is an integer number (1898316).

Almost surely, 249123152 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 49123152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75932640).

49123152 is an abundant number, since it is smaller than the sum of its proper divisors (102742128).

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

49123152 is a wasteful number, since it uses less digits than its factorization.

49123152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777 (or 8765 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 49123152 is about 7008.7910512441. The cubic root of 49123152 is about 366.2368797111.

It can be divided in two parts, 49 and 123152, that added together give a square (123201 = 3512).

The spelling of 49123152 in words is "forty-nine million, one hundred twenty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 156 208 216 234 312 351 432 468 624 702 936 1404 1872 2808 5616 8747 17494 26241 34988 52482 69976 78723 104964 113711 139952 157446 209928 227422 236169 314892 341133 419856 454844 472338 629784 682266 909688 944676 1023399 1259568 1364532 1819376 1889352 2046798 2729064 3070197 3778704 4093596 5458128 6140394 8187192 12280788 16374384 24561576 49123152