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29622730 = 252962273
BaseRepresentation
bin111000100000…
…0000111001010
32001201222202011
41301000013022
530040411410
62534530134
7506534434
oct161000712
961658664
1029622730
11157a2aa5
129b0694a
1361a2357
143d11654
15290218a
hex1c401ca

29622730 has 8 divisors (see below), whose sum is σ = 53320932. Its totient is φ = 11849088.

The previous prime is 29622713. The next prime is 29622731. The reversal of 29622730 is 3722692.

It can be written as a sum of positive squares in 2 ways, for example, as 28227969 + 1394761 = 5313^2 + 1181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×296227302 = 1755012265305800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29622692 and 29622701.

It is not an unprimeable number, because it can be changed into a prime (29622731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481127 + ... + 1481146.

Almost surely, 229622730 is an apocalyptic number.

29622730 is a deficient number, since it is larger than the sum of its proper divisors (23698202).

29622730 is a wasteful number, since it uses less digits than its factorization.

29622730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962280.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 29622730 is about 5442.6767311682. The cubic root of 29622730 is about 309.4152347767.

The spelling of 29622730 in words is "twenty-nine million, six hundred twenty-two thousand, seven hundred thirty".

Divisors: 1 2 5 10 2962273 5924546 14811365 29622730