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99730337 = 7473569
BaseRepresentation
bin1011111000111…
…00001110100001
320221122211022012
411330130032201
5201012332322
613521322305
72320460000
oct574341641
9227584265
1099730337
1151327973
1229496395
131787ab45
14d360c37
158b4eae2
hex5f1c3a1

99730337 has 20 divisors (see below), whose sum is σ = 118146180. Its totient is φ = 84163968.

The previous prime is 99730331. The next prime is 99730339. The reversal of 99730337 is 73303799.

It can be written as a sum of positive squares in 2 ways, for example, as 35153041 + 64577296 = 5929^2 + 8036^2 .

It is not a de Polignac number, because 99730337 - 26 = 99730273 is a prime.

It is a super-2 number, since 2×997303372 = 19892280236267138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99730294 and 99730303.

It is not an unprimeable number, because it can be changed into a prime (99730331) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 174989 + ... + 175557.

It is an arithmetic number, because the mean of its divisors is an integer number (5907309).

Almost surely, 299730337 is an apocalyptic number.

It is an amenable number.

99730337 is a deficient number, since it is larger than the sum of its proper divisors (18415843).

99730337 is an frugal number, since it uses more digits than its factorization.

99730337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 41.

The square root of 99730337 is about 9986.5077479567. The cubic root of 99730337 is about 463.7412861778.

The spelling of 99730337 in words is "ninety-nine million, seven hundred thirty thousand, three hundred thirty-seven".

Divisors: 1 7 49 73 343 511 569 2401 3577 3983 25039 27881 41537 175273 195167 290759 1366169 2035313 14247191 99730337