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49275486 = 23313174129
BaseRepresentation
bin1011101111111…
…0001001011110
310102201110021000
42323332021132
5100103303421
64520051130
71135556211
oct273761136
9112643230
1049275486
11258a6447
1214603aa6
13a2936c0
146789778
1544d5226
hex2efe25e

49275486 has 64 divisors (see below), whose sum is σ = 124891200. Its totient is φ = 14266368.

The previous prime is 49275467. The next prime is 49275487. The reversal of 49275486 is 68457294.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49275487) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9870 + ... + 13998.

It is an arithmetic number, because the mean of its divisors is an integer number (1951425).

Almost surely, 249275486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49275486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62445600).

49275486 is an abundant number, since it is smaller than the sum of its proper divisors (75615714).

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

49275486 is a wasteful number, since it uses less digits than its factorization.

49275486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170 (or 4164 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 49275486 is about 7019.6499912745. The cubic root of 49275486 is about 366.6150636287.

The spelling of 49275486 in words is "forty-nine million, two hundred seventy-five thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 13 17 18 26 27 34 39 51 54 78 102 117 153 221 234 306 351 442 459 663 702 918 1326 1989 3978 4129 5967 8258 11934 12387 24774 37161 53677 70193 74322 107354 111483 140386 161031 210579 222966 322062 421158 483093 631737 912509 966186 1263474 1449279 1825018 1895211 2737527 2898558 3790422 5475054 8212581 16425162 24637743 49275486