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30896942 = 215448471
BaseRepresentation
bin111010111011…
…1001100101110
32011010201122012
41311313030232
530402200232
63022121222
7523422356
oct165671456
964121565
1030896942
111649336a
12a420212
13652a31b
144163b66
152aa49b2
hex1d7732e

30896942 has 4 divisors (see below), whose sum is σ = 46345416. Its totient is φ = 15448470.

The previous prime is 30896911. The next prime is 30896951. The reversal of 30896942 is 24969803.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30896942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7724234 + ... + 7724237.

It is an arithmetic number, because the mean of its divisors is an integer number (11586354).

Almost surely, 230896942 is an apocalyptic number.

30896942 is a deficient number, since it is larger than the sum of its proper divisors (15448474).

30896942 is a wasteful number, since it uses less digits than its factorization.

30896942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15448473.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 30896942 is about 5558.5017765581. The cubic root of 30896942 is about 313.7895664984.

The spelling of 30896942 in words is "thirty million, eight hundred ninety-six thousand, nine hundred forty-two".

Divisors: 1 2 15448471 30896942