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153050285 = 5197155381
BaseRepresentation
bin10010001111101…
…01110010101101
3101122222202112002
421013311302231
5303140102120
623104222045
73535622513
oct1107656255
9348882462
10153050285
1179435a43
124330a925
13259293cb
14164804b3
15d683375
hex91f5cad

153050285 has 8 divisors (see below), whose sum is σ = 184593816. Its totient is φ = 121817920.

The previous prime is 153050243. The next prime is 153050291. The reversal of 153050285 is 582050351.

It can be written as a sum of positive squares in 4 ways, for example, as 95199049 + 57851236 = 9757^2 + 7606^2 .

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

It is not a de Polignac number, because 153050285 - 214 = 153033901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76706 + ... + 78675.

It is an arithmetic number, because the mean of its divisors is an integer number (23074227).

Almost surely, 2153050285 is an apocalyptic number.

It is an amenable number.

153050285 is a deficient number, since it is larger than the sum of its proper divisors (31543531).

153050285 is a wasteful number, since it uses less digits than its factorization.

153050285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155583.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 153050285 is about 12371.3493605184. The cubic root of 153050285 is about 534.9067121240.

It can be divided in two parts, 1530 and 50285, that added together give a palindrome (51815).

The spelling of 153050285 in words is "one hundred fifty-three million, fifty thousand, two hundred eighty-five".

Divisors: 1 5 197 985 155381 776905 30610057 153050285