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16244490 = 235541483
BaseRepresentation
bin111101111101…
…111100001010
31010120022020210
4331331330022
513124310430
61340101550
7255035013
oct75757412
933508223
1016244490
1191957a9
1255348b6
133499c32
14222c00a
15165d2b0
hexf7df0a

16244490 has 16 divisors (see below), whose sum is σ = 38986848. Its totient is φ = 4331856.

The previous prime is 16244489. The next prime is 16244491. The reversal of 16244490 is 9444261.

It is an interprime number because it is at equal distance from previous prime (16244489) and next prime (16244491).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 541483 = 16244490 / (1 + 6 + 2 + 4 + 4 + 4 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (16244491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270712 + ... + 270771.

It is an arithmetic number, because the mean of its divisors is an integer number (2436678).

Almost surely, 216244490 is an apocalyptic number.

16244490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16244490 is an abundant number, since it is smaller than the sum of its proper divisors (22742358).

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

16244490 is a wasteful number, since it uses less digits than its factorization.

16244490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541493.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 16244490 is about 4030.4453848179. The cubic root of 16244490 is about 253.2612194709.

The spelling of 16244490 in words is "sixteen million, two hundred forty-four thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 541483 1082966 1624449 2707415 3248898 5414830 8122245 16244490