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157146406 = 2107734329
BaseRepresentation
bin10010101110111…
…01110100100110
3101221200212100021
421113131310212
5310212141111
623332105354
73615502534
oct1127356446
9357625307
10157146406
118078346a
124476525a
1326731951
1416c29154
15dbe1d71
hex95ddd26

157146406 has 8 divisors (see below), whose sum is σ = 237922920. Its totient is φ = 77838768.

The previous prime is 157146401. The next prime is 157146413. The reversal of 157146406 is 604641751.

157146406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157146401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366951 + ... + 367378.

It is an arithmetic number, because the mean of its divisors is an integer number (29740365).

Almost surely, 2157146406 is an apocalyptic number.

157146406 is a deficient number, since it is larger than the sum of its proper divisors (80776514).

157146406 is a wasteful number, since it uses less digits than its factorization.

157146406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734438.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 157146406 is about 12535.8049601930. The cubic root of 157146406 is about 539.6367080918.

The spelling of 157146406 in words is "one hundred fifty-seven million, one hundred forty-six thousand, four hundred six".

Divisors: 1 2 107 214 734329 1468658 78573203 157146406