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48994491 = 3713197911
BaseRepresentation
bin1011101011100…
…1100010111011
310102012011210210
42322321202323
5100020310431
64510042203
71133306040
oct272714273
9112164723
1048994491
1125724317
12144a9363
13a1c5830
1467151c7
15447bd46
hex2eb98bb

48994491 has 32 divisors (see below), whose sum is σ = 80898048. Its totient is φ = 25683840.

The previous prime is 48994481. The next prime is 48994499. The reversal of 48994491 is 19449984.

It is a happy number.

It is not a de Polignac number, because 48994491 - 210 = 48993467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48994491.

It is not an unprimeable number, because it can be changed into a prime (48994499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53326 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (2528064).

Almost surely, 248994491 is an apocalyptic number.

48994491 is a deficient number, since it is larger than the sum of its proper divisors (31903557).

48994491 is a wasteful number, since it uses less digits than its factorization.

48994491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its digits is 373248, while the sum is 48.

The square root of 48994491 is about 6999.6064889392. The cubic root of 48994491 is about 365.9168568045.

The spelling of 48994491 in words is "forty-eight million, nine hundred ninety-four thousand, four hundred ninety-one".

Divisors: 1 3 7 13 21 39 91 197 273 591 911 1379 2561 2733 4137 6377 7683 11843 17927 19131 35529 53781 82901 179467 248703 538401 1256269 2333071 3768807 6999213 16331497 48994491