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49491504 = 24321918089
BaseRepresentation
bin1011110011001…
…0111000110000
310110010102120200
42330302320300
5100132212004
64524435200
71140446046
oct274627060
9113112520
1049491504
1125a33777
12146a8b00
13a33ab1a
146804396
154529239
hex2f32e30

49491504 has 60 divisors (see below), whose sum is σ = 145805400. Its totient is φ = 15628032.

The previous prime is 49491503. The next prime is 49491511. The reversal of 49491504 is 40519494.

It is a happy number.

49491504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (49491503) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6309 + ... + 11780.

It is an arithmetic number, because the mean of its divisors is an integer number (2430090).

Almost surely, 249491504 is an apocalyptic number.

It is an amenable number.

49491504 is an abundant number, since it is smaller than the sum of its proper divisors (96313896).

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

49491504 is a wasteful number, since it uses less digits than its factorization.

49491504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122 (or 18113 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 49491504 is about 7035.0198293964. The cubic root of 49491504 is about 367.1500152675.

The spelling of 49491504 in words is "forty-nine million, four hundred ninety-one thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 912 1368 2736 18089 36178 54267 72356 108534 144712 162801 217068 289424 325602 343691 434136 651204 687382 868272 1031073 1302408 1374764 2062146 2604816 2749528 3093219 4124292 5499056 6186438 8248584 12372876 16497168 24745752 49491504