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150906401 = 295203669
BaseRepresentation
bin10001111111010…
…10011000100001
3101111221211122222
420333222120201
5302113001101
622550240425
73511453232
oct1077523041
9344854588
10150906401
1178201238
1242656115
1325358639
1416083089
15d3ad01b
hex8fea621

150906401 has 4 divisors (see below), whose sum is σ = 156110100. Its totient is φ = 145702704.

The previous prime is 150906389. The next prime is 150906407. The reversal of 150906401 is 104609051.

150906401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104609051 = 125983089.

It can be written as a sum of positive squares in 2 ways, for example, as 114918400 + 35988001 = 10720^2 + 5999^2 .

It is a cyclic number.

It is not a de Polignac number, because 150906401 - 26 = 150906337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150906407) 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, 2601806 + ... + 2601863.

It is an arithmetic number, because the mean of its divisors is an integer number (39027525).

Almost surely, 2150906401 is an apocalyptic number.

It is an amenable number.

150906401 is a deficient number, since it is larger than the sum of its proper divisors (5203699).

150906401 is an equidigital number, since it uses as much as digits as its factorization.

150906401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203698.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 150906401 is about 12284.3966477805. The cubic root of 150906401 is about 532.3973525759.

The spelling of 150906401 in words is "one hundred fifty million, nine hundred six thousand, four hundred one".

Divisors: 1 29 5203669 150906401