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152001047 = 1121916577
BaseRepresentation
bin10010000111101…
…01101000010111
3101121000110020102
421003311220113
5302403013142
623025524315
73523662512
oct1103655027
9347013212
10152001047
1178889700
1242aa369b
132564c963
1416289d79
15d527532
hex90f5a17

152001047 has 12 divisors (see below), whose sum is σ = 167975808. Its totient is φ = 137438400.

The previous prime is 152001041. The next prime is 152001071. The reversal of 152001047 is 740100251.

152001047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152001047 - 226 = 84892183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152001041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19823 + ... + 26399.

It is an arithmetic number, because the mean of its divisors is an integer number (13997984).

Almost surely, 2152001047 is an apocalyptic number.

152001047 is a deficient number, since it is larger than the sum of its proper divisors (15974761).

152001047 is a wasteful number, since it uses less digits than its factorization.

152001047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790 (or 6779 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 152001047 is about 12328.8704673218. The cubic root of 152001047 is about 533.6815550997.

Adding to 152001047 its reverse (740100251), we get a palindrome (892101298).

The spelling of 152001047 in words is "one hundred fifty-two million, one thousand, forty-seven".

Divisors: 1 11 121 191 2101 6577 23111 72347 795817 1256207 13818277 152001047