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156053 = 1131381
BaseRepresentation
bin100110000110010101
321221001202
4212012111
514443203
63202245
71216652
oct460625
9257052
10156053
11a7277
1276385
1356051
1440c29
1531388
hex26195

156053 has 4 divisors (see below), whose sum is σ = 157548. Its totient is φ = 154560.

The previous prime is 156041. The next prime is 156059. The reversal of 156053 is 350651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350651 = 750093.

It can be written as a sum of positive squares in 2 ways, for example, as 27889 + 128164 = 167^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 156053 - 28 = 155797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156059) 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, 578 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (39387).

2156053 is an apocalyptic number.

It is an amenable number.

156053 is a deficient number, since it is larger than the sum of its proper divisors (1495).

156053 is a wasteful number, since it uses less digits than its factorization.

156053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 156053 is about 395.0354414480. The cubic root of 156053 is about 53.8382218039.

The spelling of 156053 in words is "one hundred fifty-six thousand, fifty-three".

Divisors: 1 113 1381 156053