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49505772 = 22313730113
BaseRepresentation
bin1011110011011…
…0010111101100
310110011011011010
42330312113230
5100133141042
64525025220
71140535461
oct274662754
9113134133
1049505772
1125a43468
12146b5210
13a344474
146809668
15452d59c
hex2f365ec

49505772 has 24 divisors (see below), whose sum is σ = 116360496. Its totient is φ = 16380928.

The previous prime is 49505767. The next prime is 49505783. The reversal of 49505772 is 27750594.

It is a super-2 number, since 2×495057722 = 4901642922631968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49505772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13413 + ... + 16700.

It is an arithmetic number, because the mean of its divisors is an integer number (4848354).

Almost surely, 249505772 is an apocalyptic number.

It is an amenable number.

49505772 is an abundant number, since it is smaller than the sum of its proper divisors (66854724).

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

49505772 is a wasteful number, since it uses less digits than its factorization.

49505772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257 (or 30255 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 49505772 is about 7036.0338259562. The cubic root of 49505772 is about 367.1852940033.

The spelling of 49505772 in words is "forty-nine million, five hundred five thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 30113 60226 90339 120452 180678 361356 4125481 8250962 12376443 16501924 24752886 49505772