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152194733 = 715121283
BaseRepresentation
bin10010001001001…
…00111010101101
3101121101021220222
421010210322231
5302430212413
623034021125
73525430265
oct1104447255
9347337828
10152194733
1178a01179
1242b777a5
13256b9b72
14162da7a5
15d564b08
hex9124ead

152194733 has 4 divisors (see below), whose sum is σ = 152223168. Its totient is φ = 152166300.

The previous prime is 152194729. The next prime is 152194741. The reversal of 152194733 is 337491251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337491251 = 800942139.

It is a cyclic number.

It is not a de Polignac number, because 152194733 - 22 = 152194729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152194693 and 152194702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152194723) 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 3 ways as a sum of consecutive naturals, for example, 3491 + ... + 17792.

It is an arithmetic number, because the mean of its divisors is an integer number (38055792).

Almost surely, 2152194733 is an apocalyptic number.

It is an amenable number.

152194733 is a deficient number, since it is larger than the sum of its proper divisors (28435).

152194733 is an equidigital number, since it uses as much as digits as its factorization.

152194733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28434.

The product of its digits is 22680, while the sum is 35.

The square root of 152194733 is about 12336.7229441209. The cubic root of 152194733 is about 533.9081385654.

The spelling of 152194733 in words is "one hundred fifty-two million, one hundred ninety-four thousand, seven hundred thirty-three".

Divisors: 1 7151 21283 152194733