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49317480 = 23325136993
BaseRepresentation
bin1011110000100…
…0011001101000
310102210120212100
42330020121220
5100111124410
64521013400
71136122512
oct274103150
9112716770
1049317480
1125924a53
1214624260
13a2a9854
14679abb2
1544e28c0
hex2f08668

49317480 has 48 divisors (see below), whose sum is σ = 160282980. Its totient is φ = 13151232.

The previous prime is 49317473. The next prime is 49317503. The reversal of 49317480 is 8471394.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47527236 + 1790244 = 6894^2 + 1338^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68137 + ... + 68856.

Almost surely, 249317480 is an apocalyptic number.

49317480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49317480 is an abundant number, since it is smaller than the sum of its proper divisors (110965500).

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

49317480 is a wasteful number, since it uses less digits than its factorization.

49317480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137010 (or 137003 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 49317480 is about 7022.6405290318. The cubic root of 49317480 is about 366.7191807247.

The spelling of 49317480 in words is "forty-nine million, three hundred seventeen thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 136993 273986 410979 547972 684965 821958 1095944 1232937 1369930 1643916 2054895 2465874 2739860 3287832 4109790 4931748 5479720 6164685 8219580 9863496 12329370 16439160 24658740 49317480