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742270 = 25199373
BaseRepresentation
bin10110101001101111110
31101201012111
42311031332
5142223040
623524234
76211024
oct2651576
91351174
10742270
11467751
122b967a
131ccb19
14154714
15e9dea
hexb537e

742270 has 16 divisors (see below), whose sum is σ = 1346400. Its totient is φ = 294624.

The previous prime is 742253. The next prime is 742277. The reversal of 742270 is 72247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742277) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1804 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (84150).

2742270 is an apocalyptic number.

742270 is a deficient number, since it is larger than the sum of its proper divisors (604130).

742270 is a wasteful number, since it uses less digits than its factorization.

742270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 742270 is about 861.5509271076. The cubic root of 742270 is about 90.5428101438.

The spelling of 742270 in words is "seven hundred forty-two thousand, two hundred seventy", and thus it is an iban number.

Divisors: 1 2 5 10 199 373 398 746 995 1865 1990 3730 74227 148454 371135 742270