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30496631 = 112772421
BaseRepresentation
bin111010001010…
…1011101110111
32010101101111212
41310111131313
530301343011
63005352035
7520134314
oct164253567
963341455
1030496631
111623a630
12a26861b
13641a059
14409bd0b
152a2608b
hex1d15777

30496631 has 4 divisors (see below), whose sum is σ = 33269064. Its totient is φ = 27724200.

The previous prime is 30496619. The next prime is 30496663. The reversal of 30496631 is 13669403.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30496631 - 26 = 30496567 is a prime.

It is a super-2 number, since 2×304966312 = 1860089004700322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30496681) 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, 1386200 + ... + 1386221.

It is an arithmetic number, because the mean of its divisors is an integer number (8317266).

Almost surely, 230496631 is an apocalyptic number.

30496631 is a deficient number, since it is larger than the sum of its proper divisors (2772433).

30496631 is a wasteful number, since it uses less digits than its factorization.

30496631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772432.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30496631 is about 5522.3754852418. The cubic root of 30496631 is about 312.4284841148.

The spelling of 30496631 in words is "thirty million, four hundred ninety-six thousand, six hundred thirty-one".

Divisors: 1 11 2772421 30496631