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30302407 = 312713607
BaseRepresentation
bin111001110011…
…0000011000111
32010000112002101
41303212003013
530224134112
63001252531
7515365132
oct163460307
963015071
1030302407
1116117713
12a194147
13637c825
14404b219
1529d8757
hex1ce60c7

30302407 has 8 divisors (see below), whose sum is σ = 31404032. Its totient is φ = 29208600.

The previous prime is 30302383. The next prime is 30302411. The reversal of 30302407 is 70420303.

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 30302407 - 211 = 30300359 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6598 + ... + 10204.

It is an arithmetic number, because the mean of its divisors is an integer number (3925504).

Almost surely, 230302407 is an apocalyptic number.

30302407 is a deficient number, since it is larger than the sum of its proper divisors (1101625).

30302407 is a wasteful number, since it uses less digits than its factorization.

30302407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30302407 is about 5504.7622110315. The cubic root of 30302407 is about 311.7638162959.

The spelling of 30302407 in words is "thirty million, three hundred two thousand, four hundred seven".

Divisors: 1 31 271 3607 8401 111817 977497 30302407