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49269240 = 23325136859
BaseRepresentation
bin1011101111110…
…0100111111000
310102201010200200
42323330213320
5100103103430
64520002200
71135532046
oct273744770
9112633620
1049269240
11258a1789
1214600360
13a2908c7
146787396
1544d3460
hex2efc9f8

49269240 has 48 divisors (see below), whose sum is σ = 160126200. Its totient is φ = 13138368.

The previous prime is 49269239. The next prime is 49269257. The reversal of 49269240 is 4296294.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49269195 and 49269204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68070 + ... + 68789.

Almost surely, 249269240 is an apocalyptic number.

49269240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49269240 is an abundant number, since it is smaller than the sum of its proper divisors (110856960).

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

49269240 is a wasteful number, since it uses less digits than its factorization.

49269240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136876 (or 136869 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 49269240 is about 7019.2050831985. The cubic root of 49269240 is about 366.5995726640.

The spelling of 49269240 in words is "forty-nine million, two hundred sixty-nine thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 136859 273718 410577 547436 684295 821154 1094872 1231731 1368590 1642308 2052885 2463462 2737180 3284616 4105770 4926924 5474360 6158655 8211540 9853848 12317310 16423080 24634620 49269240