Search a number
-
+
42149160 = 2334513009
BaseRepresentation
bin1010000011001…
…0010100101000
32221022101210000
42200302110220
541242233120
64103223000
71021155564
oct240622450
987271700
1042149160
1121879319
1212147a60
138969b41
1458526a4
153a78990
hex2832528

42149160 has 80 divisors (see below), whose sum is σ = 141678900. Its totient is φ = 11238912.

The previous prime is 42149131. The next prime is 42149161. The reversal of 42149160 is 6194124.

It can be written as a sum of positive squares in 2 ways, for example, as 39917124 + 2232036 = 6318^2 + 1494^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42149161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3265 + ... + 9744.

Almost surely, 242149160 is an apocalyptic number.

42149160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42149160 is an abundant number, since it is smaller than the sum of its proper divisors (99529740).

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

42149160 is a wasteful number, since it uses less digits than its factorization.

42149160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13032 (or 13019 counting only the distinct ones).

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

The square root of 42149160 is about 6492.2384429409. The cubic root of 42149160 is about 348.0136736601.

The spelling of 42149160 in words is "forty-two million, one hundred forty-nine thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1080 1620 3240 13009 26018 39027 52036 65045 78054 104072 117081 130090 156108 195135 234162 260180 312216 351243 390270 468324 520360 585405 702486 780540 936648 1053729 1170810 1404972 1561080 1756215 2107458 2341620 2809944 3512430 4214916 4683240 5268645 7024860 8429832 10537290 14049720 21074580 42149160