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48343931 = 83582457
BaseRepresentation
bin1011100001101…
…0101101111011
310100222010101222
42320122231323
544334001211
64444102255
71124626256
oct270325573
9110863358
1048343931
112531a569
121423498b
13a02869c
1465c609d
15439e1db
hex2e1ab7b

48343931 has 4 divisors (see below), whose sum is σ = 48926472. Its totient is φ = 47761392.

The previous prime is 48343901. The next prime is 48343949. The reversal of 48343931 is 13934384.

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 48343931 - 210 = 48342907 is a prime.

It is a super-2 number, since 2×483439312 = 4674271329065522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48343891 and 48343900.

It is not an unprimeable number, because it can be changed into a prime (48343901) 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, 291146 + ... + 291311.

It is an arithmetic number, because the mean of its divisors is an integer number (12231618).

Almost surely, 248343931 is an apocalyptic number.

48343931 is a deficient number, since it is larger than the sum of its proper divisors (582541).

48343931 is an equidigital number, since it uses as much as digits as its factorization.

48343931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582540.

The product of its digits is 31104, while the sum is 35.

The square root of 48343931 is about 6952.9800086006. The cubic root of 48343931 is about 364.2900593246.

The spelling of 48343931 in words is "forty-eight million, three hundred forty-three thousand, nine hundred thirty-one".

Divisors: 1 83 582457 48343931