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153039485 = 530607897
BaseRepresentation
bin10010001111100…
…11001001111101
3101122222012201002
421013303021331
5303134230420
623104100045
73535546154
oct1107631175
9348865632
10153039485
1179428915
1243304625
1325924511
141647a59b
15d680075
hex91f327d

153039485 has 4 divisors (see below), whose sum is σ = 183647388. Its totient is φ = 122431584.

The previous prime is 153039479. The next prime is 153039487. The reversal of 153039485 is 584930351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584930351 = 3118868721.

It can be written as a sum of positive squares in 2 ways, for example, as 42432196 + 110607289 = 6514^2 + 10517^2 .

It is a cyclic number.

It is not a de Polignac number, because 153039485 - 26 = 153039421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153039487) 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, 15303944 + ... + 15303953.

It is an arithmetic number, because the mean of its divisors is an integer number (45911847).

Almost surely, 2153039485 is an apocalyptic number.

It is an amenable number.

153039485 is a deficient number, since it is larger than the sum of its proper divisors (30607903).

153039485 is an equidigital number, since it uses as much as digits as its factorization.

153039485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30607902.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 153039485 is about 12370.9128604158. The cubic root of 153039485 is about 534.8941299229.

The spelling of 153039485 in words is "one hundred fifty-three million, thirty-nine thousand, four hundred eighty-five".

Divisors: 1 5 30607897 153039485