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152020297 = 11131063079
BaseRepresentation
bin10010000111110…
…10010101001001
3101121001102122101
421003322111021
5302404122142
623030153401
73524102602
oct1103722511
9347042571
10152020297
11788a2110
1242ab2861
1325658650
1416292da9
15d52d0b7
hex90fa549

152020297 has 8 divisors (see below), whose sum is σ = 178597440. Its totient is φ = 127569360.

The previous prime is 152020289. The next prime is 152020313. The reversal of 152020297 is 792020251.

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

It is a cyclic number.

It is not a de Polignac number, because 152020297 - 23 = 152020289 is a prime.

It is a super-2 number, since 2×1520202972 = 46220341399936418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152020217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531397 + ... + 531682.

It is an arithmetic number, because the mean of its divisors is an integer number (22324680).

Almost surely, 2152020297 is an apocalyptic number.

It is an amenable number.

152020297 is a deficient number, since it is larger than the sum of its proper divisors (26577143).

152020297 is a wasteful number, since it uses less digits than its factorization.

152020297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063103.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 152020297 is about 12329.6511305065. The cubic root of 152020297 is about 533.7040833136.

The spelling of 152020297 in words is "one hundred fifty-two million, twenty thousand, two hundred ninety-seven".

Divisors: 1 11 13 143 1063079 11693869 13820027 152020297