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49540764 = 22372136481
BaseRepresentation
bin1011110011111…
…0111010011100
310110012221011010
42330332322130
5100140301024
64525455220
71141042500
oct274767234
9113187133
1049540764
1125a67789
1214711510
13a357380
146818300
154538b29
hex2f3ee9c

49540764 has 72 divisors (see below), whose sum is σ = 144833808. Its totient is φ = 13063680.

The previous prime is 49540763. The next prime is 49540769. The reversal of 49540764 is 46704594.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49540763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4404 + ... + 10884.

Almost surely, 249540764 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 49540764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72416904).

49540764 is an abundant number, since it is smaller than the sum of its proper divisors (95293044).

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

49540764 is a wasteful number, since it uses less digits than its factorization.

49540764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515 (or 6506 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 49540764 is about 7038.5200148895. The cubic root of 49540764 is about 367.2717857479.

The spelling of 49540764 in words is "forty-nine million, five hundred forty thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 49 52 78 84 91 98 147 156 182 196 273 294 364 546 588 637 1092 1274 1911 2548 3822 6481 7644 12962 19443 25924 38886 45367 77772 84253 90734 136101 168506 181468 252759 272202 317569 337012 505518 544404 589771 635138 952707 1011036 1179542 1270276 1769313 1905414 2359084 3538626 3810828 4128397 7077252 8256794 12385191 16513588 24770382 49540764