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152252806 = 276126403
BaseRepresentation
bin10010001001100…
…11000110000110
3101121111020120211
421010303012012
5302434042211
623035150034
73526061506
oct1104630606
9347436524
10152252806
1178a40872
1242ba531a
132570a424
1416313a06
15d576e21
hex9133186

152252806 has 4 divisors (see below), whose sum is σ = 228379212. Its totient is φ = 76126402.

The previous prime is 152252777. The next prime is 152252831. The reversal of 152252806 is 608252251.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38063200 + ... + 38063203.

It is an arithmetic number, because the mean of its divisors is an integer number (57094803).

Almost surely, 2152252806 is an apocalyptic number.

152252806 is a deficient number, since it is larger than the sum of its proper divisors (76126406).

152252806 is an equidigital number, since it uses as much as digits as its factorization.

152252806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76126405.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 152252806 is about 12339.0763835872. The cubic root of 152252806 is about 533.9760377713.

The spelling of 152252806 in words is "one hundred fifty-two million, two hundred fifty-two thousand, eight hundred six".

Divisors: 1 2 76126403 152252806