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49636920 = 2335616781
BaseRepresentation
bin1011110101011…
…0011000111000
310110101211001110
42331112120320
5100201340140
64531520320
71141623024
oct275263070
9113354043
1049636920
1126022a53
12147590a0
13a38c078
146841384
154557380
hex2f56638

49636920 has 64 divisors (see below), whose sum is σ = 151374240. Its totient is φ = 13017600.

The previous prime is 49636919. The next prime is 49636931. The reversal of 49636920 is 2963694.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 3930 + ... + 10710.

Almost surely, 249636920 is an apocalyptic number.

49636920 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 49636920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75687120).

49636920 is an abundant number, since it is smaller than the sum of its proper divisors (101737320).

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

49636920 is a wasteful number, since it uses less digits than its factorization.

49636920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6852 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 49636920 is about 7045.3474009448. The cubic root of 49636920 is about 367.5092505423.

The spelling of 49636920 in words is "forty-nine million, six hundred thirty-six thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 61 120 122 183 244 305 366 488 610 732 915 1220 1464 1830 2440 3660 6781 7320 13562 20343 27124 33905 40686 54248 67810 81372 101715 135620 162744 203430 271240 406860 413641 813720 827282 1240923 1654564 2068205 2481846 3309128 4136410 4963692 6204615 8272820 9927384 12409230 16545640 24818460 49636920