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1490925 = 352103193
BaseRepresentation
bin101101011111111101101
32210202011110
411223333231
5340202200
651542233
715446502
oct5537755
92722143
101490925
11929177
125ba979
13402807
142ab4a9
151e6b50
hex16bfed

1490925 has 24 divisors (see below), whose sum is σ = 2501824. Its totient is φ = 783360.

The previous prime is 1490921. The next prime is 1490933. The reversal of 1490925 is 5290941.

It is a happy number.

It is not a de Polignac number, because 1490925 - 22 = 1490921 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1490925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1490892 and 1490901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7629 + ... + 7821.

21490925 is an apocalyptic number.

1490925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1490925 is a deficient number, since it is larger than the sum of its proper divisors (1010899).

1490925 is a wasteful number, since it uses less digits than its factorization.

1490925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1490925 is about 1221.0343975499. The cubic root of 1490925 is about 114.2401064297.

It can be divided in two parts, 1490 and 925, that added together give a triangular number (2415 = T69).

The spelling of 1490925 in words is "one million, four hundred ninety thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 103 193 309 515 579 965 1545 2575 2895 4825 7725 14475 19879 59637 99395 298185 496975 1490925