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152445001 = 178967353
BaseRepresentation
bin10010001011000…
…10000001001001
3101121212000020011
421011202001021
5303011220001
623043231521
73530522032
oct1105420111
9347760204
10152445001
1179062205
12430785a1
1325776a57
1416363a89
15d5b3d51
hex9162049

152445001 has 4 divisors (see below), whose sum is σ = 161412372. Its totient is φ = 143477632.

The previous prime is 152444993. The next prime is 152445031. The reversal of 152445001 is 100544251.

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

It can be written as a sum of positive squares in 2 ways, for example, as 76737600 + 75707401 = 8760^2 + 8701^2 .

It is a cyclic number.

It is not a de Polignac number, because 152445001 - 23 = 152444993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152445031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4483660 + ... + 4483693.

It is an arithmetic number, because the mean of its divisors is an integer number (40353093).

Almost surely, 2152445001 is an apocalyptic number.

It is an amenable number.

152445001 is a deficient number, since it is larger than the sum of its proper divisors (8967371).

152445001 is an equidigital number, since it uses as much as digits as its factorization.

152445001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967370.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 152445001 is about 12346.8619899957. The cubic root of 152445001 is about 534.2006299565.

Adding to 152445001 its reverse (100544251), we get a palindrome (252989252).

The spelling of 152445001 in words is "one hundred fifty-two million, four hundred forty-five thousand, one".

Divisors: 1 17 8967353 152445001