Search a number
-
+
29481480 = 23325711699
BaseRepresentation
bin111000001110…
…1101000001000
32001110210222200
41300131220020
530021401410
62531520200
7505405560
oct160355010
961423880
1029481480
1115706966
129a59060
136152c82
143cb5da0
1528c53c0
hex1c1da08

29481480 has 96 divisors (see below), whose sum is σ = 109512000. Its totient is φ = 6738048.

The previous prime is 29481443. The next prime is 29481481. The reversal of 29481480 is 8418492.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (29481481) 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, 3330 + ... + 8369.

It is an arithmetic number, because the mean of its divisors is an integer number (1140750).

Almost surely, 229481480 is an apocalyptic number.

29481480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29481480 is an abundant number, since it is smaller than the sum of its proper divisors (80030520).

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

29481480 is a wasteful number, since it uses less digits than its factorization.

29481480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723 (or 11716 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 29481480 is about 5429.6850737405. The cubic root of 29481480 is about 308.9226563579.

The spelling of 29481480 in words is "twenty-nine million, four hundred eighty-one thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 11699 23398 35097 46796 58495 70194 81893 93592 105291 116990 140388 163786 175485 210582 233980 245679 280776 327572 350970 409465 421164 467960 491358 526455 655144 701940 737037 818930 842328 982716 1052910 1228395 1403880 1474074 1637860 1965432 2105820 2456790 2948148 3275720 3685185 4211640 4913580 5896296 7370370 9827160 14740740 29481480