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16401092 = 221371732
BaseRepresentation
bin111110100100…
…001011000100
31010212021001212
4332210023010
513144313332
61343310552
7256256411
oct76441304
933767055
1016401092
119292424
1255ab458
1335232b6
14226d108
15168e8b2
hexfa42c4

16401092 has 18 divisors (see below), whose sum is σ = 29079498. Its totient is φ = 8093632.

The previous prime is 16401083. The next prime is 16401097. The reversal of 16401092 is 29010461.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10329796 + 6071296 = 3214^2 + 2464^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401097) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 94718 + ... + 94890.

Almost surely, 216401092 is an apocalyptic number.

It is an amenable number.

16401092 is a deficient number, since it is larger than the sum of its proper divisors (12678406).

16401092 is a wasteful number, since it uses less digits than its factorization.

16401092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16401092 is about 4049.8261691090. The cubic root of 16401092 is about 254.0724574734.

The spelling of 16401092 in words is "sixteen million, four hundred one thousand, ninety-two".

Divisors: 1 2 4 137 173 274 346 548 692 23701 29929 47402 59858 94804 119716 4100273 8200546 16401092