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158214025 = 5215141911
BaseRepresentation
bin10010110111000…
…10011110001001
3102000201002211201
421123202132021
5311000322100
623411024201
73630540244
oct1133423611
9360632751
10158214025
11813425a2
1244b9b061
1326a16888
141702625b
15dd5336a
hex96e2789

158214025 has 12 divisors (see below), whose sum is σ = 197489344. Its totient is φ = 125730000.

The previous prime is 158214013. The next prime is 158214029. The reversal of 158214025 is 520412851.

158214025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158214025 - 213 = 158205833 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158213984 and 158214002.

It is not an unprimeable number, because it can be changed into a prime (158214029) 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, 17181 + ... + 24730.

Almost surely, 2158214025 is an apocalyptic number.

It is an amenable number.

158214025 is a deficient number, since it is larger than the sum of its proper divisors (39275319).

158214025 is a wasteful number, since it uses less digits than its factorization.

158214025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42072 (or 42067 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 158214025 is about 12578.3156662568. The cubic root of 158214025 is about 540.8560097319.

Adding to 158214025 its reverse (520412851), we get a palindrome (678626876).

The spelling of 158214025 in words is "one hundred fifty-eight million, two hundred fourteen thousand, twenty-five".

Divisors: 1 5 25 151 755 3775 41911 209555 1047775 6328561 31642805 158214025