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29770401 = 39923467
BaseRepresentation
bin111000110010…
…0001010100001
32002000111022110
41301210022201
530110123101
62542025533
7511021113
oct161441241
962014273
1029770401
1115893a41
129b782a9
13622462b
143d4d3b3
152930cd6
hex1c642a1

29770401 has 4 divisors (see below), whose sum is σ = 39693872. Its totient is φ = 19846932.

The previous prime is 29770393. The next prime is 29770409. The reversal of 29770401 is 10407792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (29770393) and next prime (29770409).

It is not a de Polignac number, because 29770401 - 23 = 29770393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29770409) 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, 4961731 + ... + 4961736.

It is an arithmetic number, because the mean of its divisors is an integer number (9923468).

Almost surely, 229770401 is an apocalyptic number.

It is an amenable number.

29770401 is a deficient number, since it is larger than the sum of its proper divisors (9923471).

29770401 is an equidigital number, since it uses as much as digits as its factorization.

29770401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923470.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 29770401 is about 5456.2258934175. The cubic root of 29770401 is about 309.9285336471.

The spelling of 29770401 in words is "twenty-nine million, seven hundred seventy thousand, four hundred one".

Divisors: 1 3 9923467 29770401