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48139002 = 23317411279
BaseRepresentation
bin1011011110100…
…0101011111010
310100120201022000
42313220223322
544310422002
64435441430
71123113642
oct267505372
9110521260
1048139002
112519a5aa
1214156276
139c86322
146571522
15435d61c
hex2de8afa

48139002 has 64 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 14722560.

The previous prime is 48138997. The next prime is 48139033. The reversal of 48139002 is 20093184.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36999 + ... + 38277.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 248139002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48139002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58060800).

48139002 is an abundant number, since it is smaller than the sum of its proper divisors (67982598).

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

48139002 is a wasteful number, since it uses less digits than its factorization.

48139002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 48139002 is about 6938.2275834683. The cubic root of 48139002 is about 363.7745907491.

The spelling of 48139002 in words is "forty-eight million, one hundred thirty-nine thousand, two".

Divisors: 1 2 3 6 9 17 18 27 34 41 51 54 82 102 123 153 246 306 369 459 697 738 918 1107 1279 1394 2091 2214 2558 3837 4182 6273 7674 11511 12546 18819 21743 23022 34533 37638 43486 52439 65229 69066 104878 130458 157317 195687 314634 391374 471951 587061 891463 943902 1174122 1415853 1782926 2674389 2831706 5348778 8023167 16046334 24069501 48139002