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742970 = 2574297
BaseRepresentation
bin10110101011000111010
31101202011102
42311120322
5142233340
623531402
76213044
oct2653072
91352142
10742970
11468228
122b9b62
13200237
14154a94
15ea215
hexb563a

742970 has 8 divisors (see below), whose sum is σ = 1337364. Its totient is φ = 297184.

The previous prime is 742967. The next prime is 742981. The reversal of 742970 is 79247.

It can be written as a sum of positive squares in 2 ways, for example, as 724201 + 18769 = 851^2 + 137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 37139 + ... + 37158.

2742970 is an apocalyptic number.

742970 is a deficient number, since it is larger than the sum of its proper divisors (594394).

742970 is a wasteful number, since it uses less digits than its factorization.

742970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74304.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 742970 is about 861.9570754974. The cubic root of 742970 is about 90.5712634263.

The spelling of 742970 in words is "seven hundred forty-two thousand, nine hundred seventy".

Divisors: 1 2 5 10 74297 148594 371485 742970