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BaseRepresentation
bin101011010101011010100
32200010212011
411122223110
5330414423
650234004
715032623
oct5325324
92603764
101419988
1188a949
12585904
133a943b
1428d6ba
151d0b0d

1419988 has 6 divisors (see below), whose sum is σ = 2484986. Its totient is φ = 709992.

The previous prime is 1419973. The next prime is 1420009. The reversal of 1419988 is 8899141.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 521284 = 948^2 + 722^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1419988.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 177495 + ... + 177502.

21419988 is an apocalyptic number.

It is an amenable number.

1419988 is a deficient number, since it is larger than the sum of its proper divisors (1064998).

1419988 is a wasteful number, since it uses less digits than its factorization.

1419988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355001 (or 354999 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The square root of 1419988 is about 1191.6324936825. The cubic root of 1419988 is about 112.3987698434.

It can be divided in two parts, 14 and 19988, that added together give a palindrome (20002).

The spelling of 1419988 in words is "one million, four hundred nineteen thousand, nine hundred eighty-eight".

Divisors: 1 2 4 354997 709994 1419988