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49041240 = 2335408677
BaseRepresentation
bin1011101100010…
…0111101011000
310102021112221020
42323010331120
5100023304430
64511042440
71133562243
oct273047530
9112245836
1049041240
1125756456
1214510420
13a210bb1
14672825a
15448ab10
hex2ec4f58

49041240 has 32 divisors (see below), whose sum is σ = 147124080. Its totient is φ = 13077632.

The previous prime is 49041229. The next prime is 49041247. The reversal of 49041240 is 4214094.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 49041240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49041247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204219 + ... + 204458.

Almost surely, 249041240 is an apocalyptic number.

49041240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49041240 is an abundant number, since it is smaller than the sum of its proper divisors (98082840).

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

49041240 is a wasteful number, since it uses less digits than its factorization.

49041240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408691 (or 408687 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 49041240 is about 7002.9450947441. The cubic root of 49041240 is about 366.0332019209.

The spelling of 49041240 in words is "forty-nine million, forty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 408677 817354 1226031 1634708 2043385 2452062 3269416 4086770 4904124 6130155 8173540 9808248 12260310 16347080 24520620 49041240