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742130 = 25471579
BaseRepresentation
bin10110101001011110010
31101201000022
42311023302
5142222010
623523442
76210434
oct2651362
91351008
10742130
11467634
122b9582
131cca3c
14154654
15e9d55
hexb52f2

742130 has 16 divisors (see below), whose sum is σ = 1365120. Its totient is φ = 290352.

The previous prime is 742127. The next prime is 742151. The reversal of 742130 is 31247.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 742099 and 742108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320 + ... + 1259.

It is an arithmetic number, because the mean of its divisors is an integer number (85320).

2742130 is an apocalyptic number.

742130 is a deficient number, since it is larger than the sum of its proper divisors (622990).

742130 is a wasteful number, since it uses less digits than its factorization.

742130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 742130 is about 861.4696744517. The cubic root of 742130 is about 90.5371173409.

Adding to 742130 its reverse (31247), we get a palindrome (773377).

The spelling of 742130 in words is "seven hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 1579 3158 7895 15790 74213 148426 371065 742130