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29528772 = 22372133863
BaseRepresentation
bin111000010100…
…1001011000100
32001120012212020
41300221023010
530024410042
62532523140
7505663500
oct160511304
961505766
1029528772
1115739449
129a804b0
13616b660
143cc9300
1528d43ec
hex1c292c4

29528772 has 72 divisors (see below), whose sum is σ = 86337216. Its totient is φ = 7785792.

The previous prime is 29528767. The next prime is 29528783. The reversal of 29528772 is 27782592.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5713 + ... + 9575.

It is an arithmetic number, because the mean of its divisors is an integer number (1199128).

Almost surely, 229528772 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 29528772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43168608).

29528772 is an abundant number, since it is smaller than the sum of its proper divisors (56808444).

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

29528772 is a wasteful number, since it uses less digits than its factorization.

29528772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3888 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 29528772 is about 5434.0382773771. The cubic root of 29528772 is about 309.0877517031.

The spelling of 29528772 in words is "twenty-nine million, five hundred twenty-eight thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 49 52 78 84 91 98 147 156 182 196 273 294 364 546 588 637 1092 1274 1911 2548 3822 3863 7644 7726 11589 15452 23178 27041 46356 50219 54082 81123 100438 108164 150657 162246 189287 200876 301314 324492 351533 378574 567861 602628 703066 757148 1054599 1135722 1406132 2109198 2271444 2460731 4218396 4921462 7382193 9842924 14764386 29528772