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742930 = 2574293
BaseRepresentation
bin10110101011000010010
31101202002221
42311120102
5142233210
623531254
76212656
oct2653022
91352087
10742930
114681a1
122b9b2a
13200206
14154a66
15ea1da
hexb5612

742930 has 8 divisors (see below), whose sum is σ = 1337292. Its totient is φ = 297168.

The previous prime is 742913. The next prime is 742943. The reversal of 742930 is 39247.

It can be written as a sum of positive squares in 2 ways, for example, as 622521 + 120409 = 789^2 + 347^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 742895 and 742904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37137 + ... + 37156.

2742930 is an apocalyptic number.

742930 is a deficient number, since it is larger than the sum of its proper divisors (594362).

742930 is a wasteful number, since it uses less digits than its factorization.

742930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74300.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 742930 is about 861.9338721735. The cubic root of 742930 is about 90.5696380060.

The spelling of 742930 in words is "seven hundred forty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 74293 148586 371465 742930