Search a number
-
+
49873920 = 2103517191
BaseRepresentation
bin1011111001000…
…0010000000000
310110211212011020
42332100100000
5100231431140
64540545440
71143631005
oct276202000
9113755136
1049873920
1126175018
1214852280
13a442bc5
1468a38ac
1545a26d0
hex2f90400

49873920 has 176 divisors, whose sum is σ = 169786368. Its totient is φ = 12451840.

The previous prime is 49873907. The next prime is 49873921. The reversal of 49873920 is 2937894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49873921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261025 + ... + 261215.

Almost surely, 249873920 is an apocalyptic number.

49873920 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 49873920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84893184).

49873920 is an abundant number, since it is smaller than the sum of its proper divisors (119912448).

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

49873920 is a wasteful number, since it uses less digits than its factorization.

49873920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 49873920 is about 7062.1469823277. The cubic root of 49873920 is about 368.0932340958.

The spelling of 49873920 in words is "forty-nine million, eight hundred seventy-three thousand, nine hundred twenty".