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149304025 = 5213459397
BaseRepresentation
bin10001110011000…
…11001011011001
3101101221102121201
420321203023121
5301210212100
622452034201
73462030463
oct1071431331
9341842551
10149304025
1177307362
1242002961
1324c171a0
1415b87133
15d19336a
hex8e632d9

149304025 has 12 divisors (see below), whose sum is σ = 199378732. Its totient is φ = 110255040.

The previous prime is 149303989. The next prime is 149304031. The reversal of 149304025 is 520403941.

149304025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 11758041 + 137545984 = 3429^2 + 11728^2 .

It is not a de Polignac number, because 149304025 - 213 = 149295833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149303984 and 149304002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229374 + ... + 230023.

Almost surely, 2149304025 is an apocalyptic number.

It is an amenable number.

149304025 is a deficient number, since it is larger than the sum of its proper divisors (50074707).

149304025 is a wasteful number, since it uses less digits than its factorization.

149304025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459420 (or 459415 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 149304025 is about 12219.0026188720. The cubic root of 149304025 is about 530.5062505870.

Adding to 149304025 its reverse (520403941), we get a palindrome (669707966).

It can be divided in two parts, 14 and 9304025, that added together give a palindrome (9304039).

The spelling of 149304025 in words is "one hundred forty-nine million, three hundred four thousand, twenty-five".

Divisors: 1 5 13 25 65 325 459397 2296985 5972161 11484925 29860805 149304025