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49920612 = 22372731163
BaseRepresentation
bin1011111001101…
…1101001100100
310110221020012120
42332123221210
5100234424422
64541545540
71144214100
oct276335144
9113836176
1049920612
11261a7105
12148752b0
13a45b231
1468b6900
1545b145c
hex2f9ba64

49920612 has 72 divisors (see below), whose sum is σ = 137473056. Its totient is φ = 14055552.

The previous prime is 49920601. The next prime is 49920613. The reversal of 49920612 is 21602994.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49920613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42343 + ... + 43505.

It is an arithmetic number, because the mean of its divisors is an integer number (1909348).

Almost surely, 249920612 is an apocalyptic number.

49920612 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 49920612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68736528).

49920612 is an abundant number, since it is smaller than the sum of its proper divisors (87552444).

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

49920612 is a wasteful number, since it uses less digits than its factorization.

49920612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 49920612 is about 7065.4520025261. The cubic root of 49920612 is about 368.2080679848.

The spelling of 49920612 in words is "forty-nine million, nine hundred twenty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 73 84 98 146 147 196 219 292 294 438 511 588 876 1022 1163 1533 2044 2326 3066 3489 3577 4652 6132 6978 7154 8141 10731 13956 14308 16282 21462 24423 32564 42924 48846 56987 84899 97692 113974 169798 170961 227948 254697 339596 341922 509394 594293 683844 1018788 1188586 1782879 2377172 3565758 4160051 7131516 8320102 12480153 16640204 24960306 49920612