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16152425 = 521016397
BaseRepresentation
bin111101100111…
…011101101001
31010101121221222
4331213131221
513113334200
61334111425
7254202422
oct75473551
933347858
1016152425
119132613
1254ab575
133467063
142206649
151640d85
hexf67769

16152425 has 12 divisors (see below), whose sum is σ = 20230476. Its totient is φ = 12792000.

The previous prime is 16152421. The next prime is 16152481. The reversal of 16152425 is 52425161.

It can be written as a sum of positive squares in 6 ways, for example, as 620944 + 15531481 = 788^2 + 3941^2 .

It is not a de Polignac number, because 16152425 - 22 = 16152421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16152394 and 16152403.

It is not an unprimeable number, because it can be changed into a prime (16152421) 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, 674 + ... + 5723.

It is an arithmetic number, because the mean of its divisors is an integer number (1685873).

Almost surely, 216152425 is an apocalyptic number.

It is an amenable number.

16152425 is a deficient number, since it is larger than the sum of its proper divisors (4078051).

16152425 is a wasteful number, since it uses less digits than its factorization.

16152425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6508 (or 6503 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 16152425 is about 4019.0079621718. The cubic root of 16152425 is about 252.7818634591.

Adding to 16152425 its reverse (52425161), we get a palindrome (68577586).

The spelling of 16152425 in words is "sixteen million, one hundred fifty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 101 505 2525 6397 31985 159925 646097 3230485 16152425