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99452797 = 269457809
BaseRepresentation
bin1011110110110…
…00011101111101
320221010201120221
411323120131331
5200424442142
613511341341
72315222563
oct573303575
9227121527
1099452797
11511583a4
1229381851
13177b1712
14d2cba33
158ae7767
hex5ed877d

99452797 has 8 divisors (see below), whose sum is σ = 100164600. Its totient is φ = 98744064.

The previous prime is 99452777. The next prime is 99452809. The reversal of 99452797 is 79725499.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27185796 + 72267001 = 5214^2 + 8501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99452797 is a prime.

It is a super-2 number, since 2×994527972 = 19781717662246418, 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 (99452767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122529 + ... + 123337.

It is an arithmetic number, because the mean of its divisors is an integer number (12520575).

Almost surely, 299452797 is an apocalyptic number.

It is an amenable number.

99452797 is a deficient number, since it is larger than the sum of its proper divisors (711803).

99452797 is a wasteful number, since it uses less digits than its factorization.

99452797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535.

The product of its digits is 1428840, while the sum is 52.

The square root of 99452797 is about 9972.6023183520. The cubic root of 99452797 is about 463.3107039423.

The spelling of 99452797 in words is "ninety-nine million, four hundred fifty-two thousand, seven hundred ninety-seven".

Divisors: 1 269 457 809 122933 217621 369713 99452797