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49700440 = 23531149269
BaseRepresentation
bin1011110110010…
…1111001011000
310110112001012001
42331211321120
5100210403230
64533130344
71142306146
oct275457130
9113461161
1049700440
1126066749
12147899b4
13a3b1c5a
14685a596
15456b0ca
hex2f65e58

49700440 has 64 divisors (see below), whose sum is σ = 116640000. Its totient is φ = 19038720.

The previous prime is 49700437. The next prime is 49700473. The reversal of 49700440 is 4400794.

It is a junction number, because it is equal to n+sod(n) for n = 49700399 and 49700408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184626 + ... + 184894.

It is an arithmetic number, because the mean of its divisors is an integer number (1822500).

Almost surely, 249700440 is an apocalyptic number.

49700440 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 49700440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58320000).

49700440 is an abundant number, since it is smaller than the sum of its proper divisors (66939560).

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

49700440 is a wasteful number, since it uses less digits than its factorization.

49700440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 49700440 is about 7049.8538991954. The cubic root of 49700440 is about 367.6659500103.

The spelling of 49700440 in words is "forty-nine million, seven hundred thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 149 155 248 269 298 310 538 596 620 745 1076 1192 1240 1345 1490 2152 2690 2980 4619 5380 5960 8339 9238 10760 16678 18476 23095 33356 36952 40081 41695 46190 66712 80162 83390 92380 160324 166780 184760 200405 320648 333560 400810 801620 1242511 1603240 2485022 4970044 6212555 9940088 12425110 24850220 49700440