Search a number
-
+
29987276 = 22112971331
BaseRepresentation
bin111001001100…
…1000111001100
32002102111210212
41302121013030
530134043101
62550421552
7512613314
oct162310714
962374725
1029987276
1115a21980
12a0618b8
13629c267
143da8444
1529751bb
hex1c991cc

29987276 has 48 divisors (see below), whose sum is σ = 60238080. Its totient is φ = 12936000.

The previous prime is 29987233. The next prime is 29987291. The reversal of 29987276 is 67278992.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90431 + ... + 90761.

It is an arithmetic number, because the mean of its divisors is an integer number (1254960).

Almost surely, 229987276 is an apocalyptic number.

It is an amenable number.

29987276 is an abundant number, since it is smaller than the sum of its proper divisors (30250804).

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

29987276 is a wasteful number, since it uses less digits than its factorization.

29987276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 29987276 is about 5476.0639148936. The cubic root of 29987276 is about 310.6793150206.

The spelling of 29987276 in words is "twenty-nine million, nine hundred eighty-seven thousand, two hundred seventy-six".

Divisors: 1 2 4 11 22 29 44 58 71 116 142 284 319 331 638 662 781 1276 1324 1562 2059 3124 3641 4118 7282 8236 9599 14564 19198 22649 23501 38396 45298 47002 90596 94004 105589 211178 258511 422356 517022 681529 1034044 1363058 2726116 7496819 14993638 29987276