[go: up one dir, main page]

Search a number
-
+
29972652 = 22319472797
BaseRepresentation
bin111001001010…
…1100010101100
32002101202202020
41302111202230
530133111102
62550230140
7512522553
oct162254254
962352666
1029972652
1115a11996
12a055350
1362956c8
143da2d9a
152970bbc
hex1c958ac

29972652 has 48 divisors (see below), whose sum is σ = 75210240. Its totient is φ = 9260352.

The previous prime is 29972647. The next prime is 29972687. The reversal of 29972652 is 25627992.

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, 9318 + ... + 12114.

It is an arithmetic number, because the mean of its divisors is an integer number (1566880).

Almost surely, 229972652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29972652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37605120).

29972652 is an abundant number, since it is smaller than the sum of its proper divisors (45237588).

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

29972652 is a wasteful number, since it uses less digits than its factorization.

29972652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 2868 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 29972652 is about 5474.7284864183. The cubic root of 29972652 is about 310.6288034518.

The spelling of 29972652 in words is "twenty-nine million, nine hundred seventy-two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 19 38 47 57 76 94 114 141 188 228 282 564 893 1786 2679 2797 3572 5358 5594 8391 10716 11188 16782 33564 53143 106286 131459 159429 212572 262918 318858 394377 525836 637716 788754 1577508 2497721 4995442 7493163 9990884 14986326 29972652