Search a number
-
+
42148136 = 23291391307
BaseRepresentation
bin1010000011001…
…0000100101000
32221022100101002
42200302010220
541242220021
64103214132
71021152602
oct240620450
987270332
1042148136
1121878578
1212147348
138969534
145852172
153a7850b
hex2832128

42148136 has 32 divisors (see below), whose sum is σ = 82404000. Its totient is φ = 20185536.

The previous prime is 42148109. The next prime is 42148153. The reversal of 42148136 is 63184124.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 42148099 and 42148108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31595 + ... + 32901.

It is an arithmetic number, because the mean of its divisors is an integer number (2575125).

Almost surely, 242148136 is an apocalyptic number.

It is an amenable number.

42148136 is a deficient number, since it is larger than the sum of its proper divisors (40255864).

42148136 is a wasteful number, since it uses less digits than its factorization.

42148136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1477 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 42148136 is about 6492.1595790615. The cubic root of 42148136 is about 348.0108553446.

The spelling of 42148136 in words is "forty-two million, one hundred forty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 29 58 116 139 232 278 556 1112 1307 2614 4031 5228 8062 10456 16124 32248 37903 75806 151612 181673 303224 363346 726692 1453384 5268517 10537034 21074068 42148136