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16444955 = 516671973
BaseRepresentation
bin111110101110…
…111000011011
31010221111020102
4332232320123
513202214310
61344250015
7256531322
oct76567033
933844212
1016444955
11931237a
12561090b
13353a257
1422810b9
15169c8a5
hexfaee1b

16444955 has 8 divisors (see below), whose sum is σ = 19755792. Its totient is φ = 13141408.

The previous prime is 16444919. The next prime is 16444993. The reversal of 16444955 is 55944461.

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

It is a cyclic number.

It is not a de Polignac number, because 16444955 - 28 = 16444699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7349 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (2469474).

Almost surely, 216444955 is an apocalyptic number.

16444955 is a deficient number, since it is larger than the sum of its proper divisors (3310837).

16444955 is a wasteful number, since it uses less digits than its factorization.

16444955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645.

The product of its digits is 86400, while the sum is 38.

The square root of 16444955 is about 4055.2379708224. The cubic root of 16444955 is about 254.2987525703.

The spelling of 16444955 in words is "sixteen million, four hundred forty-four thousand, nine hundred fifty-five".

Divisors: 1 5 1667 1973 8335 9865 3288991 16444955