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1490470 = 251131319
BaseRepresentation
bin101101011111000100110
32210201112121
411223320212
5340143340
651540154
715445252
oct5537046
92721477
101490470
119288a3
125ba65a
13402547
142ab262
151e694a
hex16be26

1490470 has 16 divisors (see below), whose sum is σ = 2708640. Its totient is φ = 590464.

The previous prime is 1490459. The next prime is 1490477. The reversal of 1490470 is 740941.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471 + ... + 1789.

It is an arithmetic number, because the mean of its divisors is an integer number (169290).

21490470 is an apocalyptic number.

1490470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490470 is a deficient number, since it is larger than the sum of its proper divisors (1218170).

1490470 is a wasteful number, since it uses less digits than its factorization.

1490470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1490470 is about 1220.8480658952. The cubic root of 1490470 is about 114.2284839947.

The spelling of 1490470 in words is "one million, four hundred ninety thousand, four hundred seventy".

Divisors: 1 2 5 10 113 226 565 1130 1319 2638 6595 13190 149047 298094 745235 1490470