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76348949 = 275327733
BaseRepresentation
bin1001000110011…
…11111000010101
312022122221001212
410203033320111
5124021131244
611324231205
71614645455
oct443177025
9168587055
1076348949
113a108106
122169b505
1312a825c1
14a1d5d65
156a81d9e
hex48cfe15

76348949 has 4 divisors (see below), whose sum is σ = 76379436. Its totient is φ = 76318464.

The previous prime is 76348933. The next prime is 76348957. The reversal of 76348949 is 94984367.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45900625 + 30448324 = 6775^2 + 5518^2 .

It is a cyclic number.

It is not a de Polignac number, because 76348949 - 24 = 76348933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76348897 and 76348906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76348919) 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, 11114 + ... + 16619.

It is an arithmetic number, because the mean of its divisors is an integer number (19094859).

Almost surely, 276348949 is an apocalyptic number.

It is an amenable number.

76348949 is a deficient number, since it is larger than the sum of its proper divisors (30487).

76348949 is a wasteful number, since it uses less digits than its factorization.

76348949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30486.

The product of its digits is 1306368, while the sum is 50.

The square root of 76348949 is about 8737.7885646198. The cubic root of 76348949 is about 424.2296522754.

The spelling of 76348949 in words is "seventy-six million, three hundred forty-eight thousand, nine hundred forty-nine".

Divisors: 1 2753 27733 76348949