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16435044 = 2232456529
BaseRepresentation
bin111110101100…
…011101100100
31010220222122100
4332230131210
513201410134
61344132100
7256460403
oct76543544
933828570
1016435044
11930598a
125607030
1335358a2
14227b63a
151699999
hexfac764

16435044 has 18 divisors (see below), whose sum is σ = 41544230. Its totient is φ = 5478336.

The previous prime is 16435031. The next prime is 16435049. The reversal of 16435044 is 44053461.

It can be written as a sum of positive squares in only one way, i.e., 16305444 + 129600 = 4038^2 + 360^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×164350442 = 540221342563872, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 16434999 and 16435017.

It is not an unprimeable number, because it can be changed into a prime (16435049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228229 + ... + 228300.

Almost surely, 216435044 is an apocalyptic number.

It is an amenable number.

16435044 is an abundant number, since it is smaller than the sum of its proper divisors (25109186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16435044 is a wasteful number, since it uses less digits than its factorization.

16435044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456539 (or 456534 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 16435044 is about 4054.0157868464. The cubic root of 16435044 is about 254.2476556143.

The spelling of 16435044 in words is "sixteen million, four hundred thirty-five thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 456529 913058 1369587 1826116 2739174 4108761 5478348 8217522 16435044