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49144472 = 2313472543
BaseRepresentation
bin1011101101111…
…0001010011000
310102110210112122
42323132022120
5100040110342
64513200412
71134502226
oct273361230
9112423478
1049144472
1125816a73
1214560108
13a248b90
146753b16
1544ab4d2
hex2ede298

49144472 has 16 divisors (see below), whose sum is σ = 99234240. Its totient is φ = 22682016.

The previous prime is 49144457. The next prime is 49144477. The reversal of 49144472 is 27444194.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49144477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236168 + ... + 236375.

It is an arithmetic number, because the mean of its divisors is an integer number (6202140).

Almost surely, 249144472 is an apocalyptic number.

It is an amenable number.

49144472 is an abundant number, since it is smaller than the sum of its proper divisors (50089768).

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

49144472 is a wasteful number, since it uses less digits than its factorization.

49144472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472562 (or 472558 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 49144472 is about 7010.3118332924. The cubic root of 49144472 is about 366.2898556883.

The spelling of 49144472 in words is "forty-nine million, one hundred forty-four thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 472543 945086 1890172 3780344 6143059 12286118 24572236 49144472