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99706451 = 1343491
BaseRepresentation
bin1011111000101…
…10011001010011
320221121121112112
411330112121103
5201011101301
613521015535
72320330235
oct574263123
9227547475
1099706451
1151310a29
12294845ab
1317870000
14d356255
158b479bb
hex5f16653

99706451 has 10 divisors (see below), whose sum is σ = 108045972. Its totient is φ = 92010360.

The previous prime is 99706441. The next prime is 99706457. The reversal of 99706451 is 15460799.

It is not a de Polignac number, because 99706451 - 214 = 99690067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99706399 and 99706408.

It is not an unprimeable number, because it can be changed into a prime (99706457) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26816 + ... + 30306.

Almost surely, 299706451 is an apocalyptic number.

99706451 is a deficient number, since it is larger than the sum of its proper divisors (8339521).

99706451 is an frugal number, since it uses more digits than its factorization.

99706451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543 (or 3504 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 99706451 is about 9985.3117627844. The cubic root of 99706451 is about 463.7042603033.

The spelling of 99706451 in words is "ninety-nine million, seven hundred six thousand, four hundred fifty-one".

Divisors: 1 13 169 2197 3491 28561 45383 589979 7669727 99706451