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1408970 = 25140897
BaseRepresentation
bin101010111111111001010
32122120202002
411113333022
5330041340
650111002
714655533
oct5277712
92576662
101408970
11882642
1257b462
133a4414
1428968a
151cc715
hex157fca

1408970 has 8 divisors (see below), whose sum is σ = 2536164. Its totient is φ = 563584.

The previous prime is 1408963. The next prime is 1408987. The reversal of 1408970 is 798041.

It is a Cunningham number, because it is equal to 11872+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1408969 + 1 = 1187^2 + 1^2 .

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

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, 70439 + ... + 70458.

21408970 is an apocalyptic number.

1408970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1408970 is a deficient number, since it is larger than the sum of its proper divisors (1127194).

1408970 is a wasteful number, since it uses less digits than its factorization.

1408970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140904.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1408970 is about 1187.0004212299. Note that the first 3 decimals coincide. The cubic root of 1408970 is about 112.1073057474.

The spelling of 1408970 in words is "one million, four hundred eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 140897 281794 704485 1408970