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151007893 = 193378121
BaseRepresentation
bin10010000000000…
…11001010010101
3101112010222212221
421000003022111
5302124223033
622552342341
73512355151
oct1100031225
9345128787
10151007893
1178270513
12426a49b1
13253928aa
14160ac061
15d3cd12d
hex9003295

151007893 has 4 divisors (see below), whose sum is σ = 151087948. Its totient is φ = 150927840.

The previous prime is 151007887. The next prime is 151007897. The reversal of 151007893 is 398700151.

It is a happy number.

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 93354244 + 57653649 = 9662^2 + 7593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-151007893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151007897) 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, 37128 + ... + 40993.

It is an arithmetic number, because the mean of its divisors is an integer number (37771987).

Almost surely, 2151007893 is an apocalyptic number.

It is an amenable number.

151007893 is a deficient number, since it is larger than the sum of its proper divisors (80055).

151007893 is an equidigital number, since it uses as much as digits as its factorization.

151007893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80054.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 151007893 is about 12288.5268848630. The cubic root of 151007893 is about 532.5166803242.

The spelling of 151007893 in words is "one hundred fifty-one million, seven thousand, eight hundred ninety-three".

Divisors: 1 1933 78121 151007893