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49933420 = 22517253163
BaseRepresentation
bin1011111001111…
…0110001101100
310110221212202221
42332132301230
5100240332140
64542125124
71144266325
oct276366154
9113855687
1049933420
1126205799
12148807a4
13a464004
1468bb44c
1545b514a
hex2f9ec6c

49933420 has 72 divisors (see below), whose sum is σ = 114189264. Its totient is φ = 18330624.

The previous prime is 49933357. The next prime is 49933421. The reversal of 49933420 is 2433994.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (49933421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306259 + ... + 306421.

It is an arithmetic number, because the mean of its divisors is an integer number (1585962).

Almost surely, 249933420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49933420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57094632).

49933420 is an abundant number, since it is smaller than the sum of its proper divisors (64255844).

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

49933420 is a wasteful number, since it uses less digits than its factorization.

49933420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 49933420 is about 7066.3583266064. The cubic root of 49933420 is about 368.2395553503.

The spelling of 49933420 in words is "forty-nine million, nine hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 53 68 85 106 163 170 212 265 289 326 340 530 578 652 815 901 1060 1156 1445 1630 1802 2771 2890 3260 3604 4505 5542 5780 8639 9010 11084 13855 15317 17278 18020 27710 30634 34556 43195 47107 55420 61268 76585 86390 94214 146863 153170 172780 188428 235535 293726 306340 471070 587452 734315 942140 1468630 2496671 2937260 4993342 9986684 12483355 24966710 49933420