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49473944 = 23131727983
BaseRepresentation
bin1011110010111…
…0100110011000
310110002112111022
42330232212120
5100131131234
64524222012
71140343622
oct274564630
9113075438
1049473944
1125a21563
121469a908
13a332b30
1467dbc12
154523e2e
hex2f2e998

49473944 has 32 divisors (see below), whose sum is σ = 105779520. Its totient is φ = 21490176.

The previous prime is 49473937. The next prime is 49473947. The reversal of 49473944 is 44937494.

It is a super-2 number, since 2×494739442 = 4895342269830272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49473895 and 49473904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49473947) 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, 12224 + ... + 15759.

It is an arithmetic number, because the mean of its divisors is an integer number (3305610).

Almost surely, 249473944 is an apocalyptic number.

It is an amenable number.

49473944 is an abundant number, since it is smaller than the sum of its proper divisors (56305576).

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

49473944 is a wasteful number, since it uses less digits than its factorization.

49473944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28019 (or 28015 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 49473944 is about 7033.7716767038. The cubic root of 49473944 is about 367.1065874977.

The spelling of 49473944 in words is "forty-nine million, four hundred seventy-three thousand, nine hundred forty-four".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 442 884 1768 27983 55966 111932 223864 363779 475711 727558 951422 1455116 1902844 2910232 3805688 6184243 12368486 24736972 49473944