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29770445 = 56788867
BaseRepresentation
bin111000110010…
…0001011001101
32002000111101002
41301210023031
530110123240
62542030045
7511021205
oct161441315
962014332
1029770445
1115893a81
129b78325
136224663
143d4d405
152930d15
hex1c642cd

29770445 has 8 divisors (see below), whose sum is σ = 36258144. Its totient is φ = 23460624.

The previous prime is 29770427. The next prime is 29770453. The reversal of 29770445 is 54407792.

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

It is a cyclic number.

It is not a de Polignac number, because 29770445 - 212 = 29766349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29770399 and 29770408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44099 + ... + 44768.

It is an arithmetic number, because the mean of its divisors is an integer number (4532268).

Almost surely, 229770445 is an apocalyptic number.

It is an amenable number.

29770445 is a deficient number, since it is larger than the sum of its proper divisors (6487699).

29770445 is an equidigital number, since it uses as much as digits as its factorization.

29770445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88939.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 29770445 is about 5456.2299255072. The cubic root of 29770445 is about 309.9286863362.

The spelling of 29770445 in words is "twenty-nine million, seven hundred seventy thousand, four hundred forty-five".

Divisors: 1 5 67 335 88867 444335 5954089 29770445