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30424429 = 77359539
BaseRepresentation
bin111010000001…
…1110101101101
32010020201110201
41310003311231
530242040204
63004033501
7516413650
oct164036555
963221421
1030424429
11161a0362
12a232891
1363c3229
14407d897
152a0e9a4
hex1d03d6d

30424429 has 8 divisors (see below), whose sum is σ = 35247680. Its totient is φ = 25720416.

The previous prime is 30424411. The next prime is 30424477. The reversal of 30424429 is 92442403.

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 30424429 - 213 = 30416237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30424397 and 30424406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30424489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29259 + ... + 30280.

It is an arithmetic number, because the mean of its divisors is an integer number (4405960).

Almost surely, 230424429 is an apocalyptic number.

It is an amenable number.

30424429 is a deficient number, since it is larger than the sum of its proper divisors (4823251).

30424429 is an equidigital number, since it uses as much as digits as its factorization.

30424429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59619.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 30424429 is about 5515.8343883768. The cubic root of 30424429 is about 312.1817269440.

The spelling of 30424429 in words is "thirty million, four hundred twenty-four thousand, four hundred twenty-nine".

Divisors: 1 7 73 511 59539 416773 4346347 30424429