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49434880 = 285113511
BaseRepresentation
bin1011110010010…
…1000100000000
310110000112220111
42330211010000
5100123404010
64523321104
71140122005
oct274450400
9113015814
1049434880
11259a5180
1214680194
13a31b111
1467cb8ac
15451758a
hex2f25100

49434880 has 72 divisors (see below), whose sum is σ = 129213504. Its totient is φ = 17971200.

The previous prime is 49434841. The next prime is 49434887. The reversal of 49434880 is 8843494.

It is a super-2 number, since 2×494348802 = 4887614721228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (49434887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12325 + ... + 15835.

It is an arithmetic number, because the mean of its divisors is an integer number (1794632).

Almost surely, 249434880 is an apocalyptic number.

49434880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49434880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64606752).

49434880 is an abundant number, since it is smaller than the sum of its proper divisors (79778624).

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

49434880 is a wasteful number, since it uses less digits than its factorization.

49434880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543 (or 3529 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 49434880 is about 7030.9942397928. The cubic root of 49434880 is about 367.0099411513.

The spelling of 49434880 in words is "forty-nine million, four hundred thirty-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 640 704 880 1280 1408 1760 2816 3511 3520 7022 7040 14044 14080 17555 28088 35110 38621 56176 70220 77242 112352 140440 154484 193105 224704 280880 308968 386210 449408 561760 617936 772420 898816 1123520 1235872 1544840 2247040 2471744 3089680 4494080 4943488 6179360 9886976 12358720 24717440 49434880