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99970301 = 661151241
BaseRepresentation
bin1011111010101…
…10110011111101
320222010000110202
411331112303331
5201043022201
613530413245
72322506414
oct575266375
9228100422
1099970301
1151481192
1229591225
1317933132
14d3c447b
158b9ac6b
hex5f56cfd

99970301 has 4 divisors (see below), whose sum is σ = 100122204. Its totient is φ = 99818400.

The previous prime is 99970291. The next prime is 99970307. The reversal of 99970301 is 10307999.

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 44542276 + 55428025 = 6674^2 + 7445^2 .

It is a cyclic number.

It is not a de Polignac number, because 99970301 - 218 = 99708157 is a prime.

It is a super-2 number, since 2×999703012 = 19988122164061202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99970307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74960 + ... + 76281.

It is an arithmetic number, because the mean of its divisors is an integer number (25030551).

Almost surely, 299970301 is an apocalyptic number.

It is an amenable number.

99970301 is a deficient number, since it is larger than the sum of its proper divisors (151903).

99970301 is a wasteful number, since it uses less digits than its factorization.

99970301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151902.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 99970301 is about 9998.5149397298. The cubic root of 99970301 is about 464.1129286294.

The spelling of 99970301 in words is "ninety-nine million, nine hundred seventy thousand, three hundred one".

Divisors: 1 661 151241 99970301