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29297952 = 2532234423
BaseRepresentation
bin110111111000…
…0110100100000
32001010111020100
41233300310200
530000013302
62523542400
7504012525
oct157606440
961114210
1029297952
11155a0a92
12998aa00
1360ba588
143c6914c
15288ad1c
hex1bf0d20

29297952 has 72 divisors (see below), whose sum is σ = 86958144. Its totient is φ = 9339264.

The previous prime is 29297909. The next prime is 29297959. The reversal of 29297952 is 25979292.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 29297898 and 29297907.

It is not an unprimeable number, because it can be changed into a prime (29297959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4413 + ... + 8835.

It is an arithmetic number, because the mean of its divisors is an integer number (1207752).

Almost surely, 229297952 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 29297952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43479072).

29297952 is an abundant number, since it is smaller than the sum of its proper divisors (57660192).

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

29297952 is a wasteful number, since it uses less digits than its factorization.

29297952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462 (or 4451 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 29297952 is about 5412.7582617368. The cubic root of 29297952 is about 308.2802868243.

The spelling of 29297952 in words is "twenty-nine million, two hundred ninety-seven thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 288 368 414 552 736 828 1104 1656 2208 3312 4423 6624 8846 13269 17692 26538 35384 39807 53076 70768 79614 101729 106152 141536 159228 203458 212304 305187 318456 406916 424608 610374 636912 813832 915561 1220748 1273824 1627664 1831122 2441496 3255328 3662244 4882992 7324488 9765984 14648976 29297952