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16239483 = 3213138799
BaseRepresentation
bin111101111100…
…101101111011
31010120001101100
4331330231323
513124130413
61340022443
7255014301
oct75745573
933501340
1016239483
119191a67
125531a23
133497880
14222a271
15165ba73
hexf7cb7b

16239483 has 12 divisors (see below), whose sum is σ = 25261600. Its totient is φ = 9993456.

The previous prime is 16239479. The next prime is 16239491. The reversal of 16239483 is 38493261.

It is not a de Polignac number, because 16239483 - 22 = 16239479 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16239413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69283 + ... + 69516.

Almost surely, 216239483 is an apocalyptic number.

16239483 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16239483 is a deficient number, since it is larger than the sum of its proper divisors (9022117).

16239483 is a wasteful number, since it uses less digits than its factorization.

16239483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138818 (or 138815 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16239483 is about 4029.8241897135. The cubic root of 16239483 is about 253.2351960986.

The spelling of 16239483 in words is "sixteen million, two hundred thirty-nine thousand, four hundred eighty-three".

Divisors: 1 3 9 13 39 117 138799 416397 1249191 1804387 5413161 16239483