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29974152 = 23313234177
BaseRepresentation
bin111001001010…
…1111010001000
32002101211210210
41302111322020
530133133102
62550241120
7512530125
oct162257210
962354723
1029974152
1115a1302a
12a0561a0
1362962b0
143da374c
15297136c
hex1c95e88

29974152 has 64 divisors (see below), whose sum is σ = 84228480. Its totient is φ = 8819712.

The previous prime is 29974127. The next prime is 29974187. The reversal of 29974152 is 25147992.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 29974152.

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, 5088 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (1316070).

Almost surely, 229974152 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 29974152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42114240).

29974152 is an abundant number, since it is smaller than the sum of its proper divisors (54254328).

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

29974152 is a wasteful number, since it uses less digits than its factorization.

29974152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222 (or 4218 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 29974152 is about 5474.8654777994. The cubic root of 29974152 is about 310.6339852359.

The spelling of 29974152 in words is "twenty-nine million, nine hundred seventy-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 23 24 26 39 46 52 69 78 92 104 138 156 184 276 299 312 552 598 897 1196 1794 2392 3588 4177 7176 8354 12531 16708 25062 33416 50124 54301 96071 100248 108602 162903 192142 217204 288213 325806 384284 434408 576426 651612 768568 1152852 1248923 1303224 2305704 2497846 3746769 4995692 7493538 9991384 14987076 29974152