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49796740 = 225741761
BaseRepresentation
bin1011110111110…
…1011010000100
310110200221021201
42331331122010
5100221443430
64535152244
71143160000
oct275753204
9113627251
1049796740
1126122034
1214815684
13a416a36
146883700
1545898ca
hex2f7d684

49796740 has 120 divisors (see below), whose sum is σ = 131288472. Its totient is φ = 15805440.

The previous prime is 49796717. The next prime is 49796749. The reversal of 49796740 is 4769794.

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 48413764 = 1176^2 + 6958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49796749) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 816310 + ... + 816370.

Almost surely, 249796740 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 49796740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65644236).

49796740 is an abundant number, since it is smaller than the sum of its proper divisors (81491732).

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

49796740 is a wasteful number, since it uses less digits than its factorization.

49796740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 49796740 is about 7056.6805227387. The cubic root of 49796740 is about 367.9032610399.

The spelling of 49796740 in words is "forty-nine million, seven hundred ninety-six thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 49 61 68 70 85 98 119 122 140 170 196 238 244 245 305 340 343 427 476 490 595 610 686 833 854 980 1037 1190 1220 1372 1666 1708 1715 2074 2135 2380 2401 2989 3332 3430 4148 4165 4270 4802 5185 5831 5978 6860 7259 8330 8540 9604 10370 11662 11956 12005 14518 14945 16660 20740 20923 23324 24010 29036 29155 29890 36295 40817 41846 48020 50813 58310 59780 72590 81634 83692 101626 104615 116620 145180 146461 163268 203252 204085 209230 254065 292922 355691 408170 418460 508130 585844 711382 732305 816340 1016260 1422764 1464610 1778455 2489837 2929220 3556910 4979674 7113820 9959348 12449185 24898370 49796740