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152143919 = 2350313151
BaseRepresentation
bin10010001000110…
…00100000101111
3101121021201012222
421010120200233
5302422101134
623032545555
73525126164
oct1104304057
9347251188
10152143919
1178976a84
1242b522bb
132569c9b5
14162c606b
15d554a2e
hex911882f

152143919 has 8 divisors (see below), whose sum is σ = 159086592. Its totient is φ = 145228600.

The previous prime is 152143909. The next prime is 152143951. The reversal of 152143919 is 919341251.

It is a happy number.

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 152143919 - 224 = 135366703 is a prime.

It is a super-2 number, since 2×1521439192 = 46295544177357122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152143909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4994 + ... + 18144.

It is an arithmetic number, because the mean of its divisors is an integer number (19885824).

Almost surely, 2152143919 is an apocalyptic number.

152143919 is a deficient number, since it is larger than the sum of its proper divisors (6942673).

152143919 is a wasteful number, since it uses less digits than its factorization.

152143919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677.

The product of its digits is 9720, while the sum is 35.

The square root of 152143919 is about 12334.6633111731. The cubic root of 152143919 is about 533.8487124440.

The spelling of 152143919 in words is "one hundred fifty-two million, one hundred forty-three thousand, nine hundred nineteen".

Divisors: 1 23 503 11569 13151 302473 6614953 152143919