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49980672 = 283371033
BaseRepresentation
bin1011111010101…
…0010100000000
310111001021121000
42332222110000
5100243340142
64543132000
71144554150
oct276522400
9114037530
1049980672
1126238245
12148a4000
13a47c681
1468d0760
1545c414c
hex2faa500

49980672 has 144 divisors (see below), whose sum is σ = 169079680. Its totient is φ = 14266368.

The previous prime is 49980653. The next prime is 49980677. The reversal of 49980672 is 27608994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49980677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47868 + ... + 48900.

Almost surely, 249980672 is an apocalyptic number.

49980672 is a gapful number since it is divisible by the number (42) 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 49980672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84539840).

49980672 is an abundant number, since it is smaller than the sum of its proper divisors (119099008).

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

49980672 is a wasteful number, since it uses less digits than its factorization.

49980672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 49980672 is about 7069.7009837758. The cubic root of 49980672 is about 368.3556737722.

The spelling of 49980672 in words is "forty-nine million, nine hundred eighty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 256 288 336 378 384 432 448 504 576 672 756 768 864 896 1008 1033 1152 1344 1512 1728 1792 2016 2066 2304 2688 3024 3099 3456 4032 4132 5376 6048 6198 6912 7231 8064 8264 9297 12096 12396 14462 16128 16528 18594 21693 24192 24792 27891 28924 33056 37188 43386 48384 49584 55782 57848 65079 66112 74376 86772 99168 111564 115696 130158 132224 148752 173544 195237 198336 223128 231392 260316 264448 297504 347088 390474 396672 446256 462784 520632 595008 694176 780948 793344 892512 925568 1041264 1190016 1388352 1561896 1785024 1851136 2082528 2380032 2776704 3123792 3570048 4165056 5553408 6247584 7140096 8330112 12495168 16660224 24990336 49980672