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157048146 = 234969433
BaseRepresentation
bin10010101110001…
…01110101010010
3101221111212120000
421113011311102
5310201020041
623330030430
73614613213
oct1127056522
9357455500
10157048146
1180716662
1244718416
13266c8cc8
1416c0140a
15dbc2bb6
hex95c5d52

157048146 has 20 divisors (see below), whose sum is σ = 351904542. Its totient is φ = 52349328.

The previous prime is 157048123. The next prime is 157048207. The reversal of 157048146 is 641840751.

It is a happy number.

157048146 is a `hidden beast` number, since 1 + 570 + 4 + 81 + 4 + 6 = 666.

157048146 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 only one way, i.e., 103245921 + 53802225 = 10161^2 + 7335^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157048146.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 484555 + ... + 484878.

Almost surely, 2157048146 is an apocalyptic number.

157048146 is an abundant number, since it is smaller than the sum of its proper divisors (194856396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157048146 is an equidigital number, since it uses as much as digits as its factorization.

157048146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969447 (or 969438 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 157048146 is about 12531.8851734286. The cubic root of 157048146 is about 539.5242105387.

Adding to 157048146 its reverse (641840751), we get a palindrome (798888897).

The spelling of 157048146 in words is "one hundred fifty-seven million, forty-eight thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 969433 1938866 2908299 5816598 8724897 17449794 26174691 52349382 78524073 157048146