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152941801 = 401381401
BaseRepresentation
bin10010001110110…
…11010011101001
3101122210020201011
421013123103221
5303123114201
623102023521
73534661315
oct1107332351
9348706634
10152941801
1179371491
1243277ba1
13258bbc0c
1416452b45
15d661151
hex91db4e9

152941801 has 4 divisors (see below), whose sum is σ = 153323604. Its totient is φ = 152560000.

The previous prime is 152941793. The next prime is 152941813. The reversal of 152941801 is 108149251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108149251 = 715449893.

It can be written as a sum of positive squares in 2 ways, for example, as 143424576 + 9517225 = 11976^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 152941801 - 23 = 152941793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152941871) 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, 190300 + ... + 191101.

It is an arithmetic number, because the mean of its divisors is an integer number (38330901).

Almost surely, 2152941801 is an apocalyptic number.

It is an amenable number.

152941801 is a deficient number, since it is larger than the sum of its proper divisors (381803).

152941801 is an equidigital number, since it uses as much as digits as its factorization.

152941801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381802.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 152941801 is about 12366.9640979506. The cubic root of 152941801 is about 534.7802993448.

The spelling of 152941801 in words is "one hundred fifty-two million, nine hundred forty-one thousand, eight hundred one".

Divisors: 1 401 381401 152941801