Search a number
-
+
49999900 = 2252311272
BaseRepresentation
bin1011111010111…
…1000000011100
310111002020222011
42332233000130
5100244444100
64543401004
71144664206
oct276570034
9114066864
1049999900
1126250735
12148b3164
13a488352
1468d7776
1545c9bba
hex2faf01c

49999900 has 54 divisors (see below), whose sum is σ = 112888608. Its totient is φ = 19202400.

The previous prime is 49999897. The next prime is 49999903. The reversal of 49999900 is 999994.

It is an interprime number because it is at equal distance from previous prime (49999897) and next prime (49999903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999903) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 393637 + ... + 393763.

Almost surely, 249999900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49999900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56444304).

49999900 is an abundant number, since it is smaller than the sum of its proper divisors (62888708).

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

49999900 is a wasteful number, since it uses less digits than its factorization.

49999900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 49.

The square root of 49999900 is about 7071.0607407941. The cubic root of 49999900 is about 368.4029042618.

The spelling of 49999900 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 127 155 254 310 508 620 635 775 1270 1550 2540 3100 3175 3937 6350 7874 12700 15748 16129 19685 32258 39370 64516 78740 80645 98425 161290 196850 322580 393700 403225 499999 806450 999998 1612900 1999996 2499995 4999990 9999980 12499975 24999950 49999900