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76401742 = 238200871
BaseRepresentation
bin1001000110111…
…00110001001110
312022202121111011
410203130301032
5124024323432
611325315434
71615255414
oct443346116
9168677434
1076401742
113a14383a
1221705b7a
1312aa0641
14a20b2b4
156a92847
hex48dcc4e

76401742 has 4 divisors (see below), whose sum is σ = 114602616. Its totient is φ = 38200870.

The previous prime is 76401733. The next prime is 76401799. The reversal of 76401742 is 24710467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24710467 = 31777951.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19100434 + ... + 19100437.

It is an arithmetic number, because the mean of its divisors is an integer number (28650654).

Almost surely, 276401742 is an apocalyptic number.

76401742 is a deficient number, since it is larger than the sum of its proper divisors (38200874).

76401742 is a wasteful number, since it uses less digits than its factorization.

76401742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38200873.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 76401742 is about 8740.8090014598. The cubic root of 76401742 is about 424.3274104248.

The spelling of 76401742 in words is "seventy-six million, four hundred one thousand, seven hundred forty-two".

Divisors: 1 2 38200871 76401742