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99437080 = 23517349419
BaseRepresentation
bin1011110110101…
…00101000011000
320221002221000211
411323110220120
5200423441310
613511140504
72315126011
oct573245030
9227087024
1099437080
1151147606
1229374734
13177a7512
14d2c6008
158ae2c8a
hex5ed4a18

99437080 has 64 divisors (see below), whose sum is σ = 238140000. Its totient is φ = 37238784.

The previous prime is 99437059. The next prime is 99437081. The reversal of 99437080 is 8073499.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99437081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237111 + ... + 237529.

Almost surely, 299437080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99437080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119070000).

99437080 is an abundant number, since it is smaller than the sum of its proper divisors (138702920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99437080 is a wasteful number, since it uses less digits than its factorization.

99437080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 99437080 is about 9971.8142782545. The cubic root of 99437080 is about 463.2862962561.

The spelling of 99437080 in words is "ninety-nine million, four hundred thirty-seven thousand, eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 349 419 680 698 838 1396 1676 1745 2095 2792 3352 3490 4190 5933 6980 7123 8380 11866 13960 14246 16760 23732 28492 29665 35615 47464 56984 59330 71230 118660 142460 146231 237320 284920 292462 584924 731155 1169848 1462310 2485927 2924620 4971854 5849240 9943708 12429635 19887416 24859270 49718540 99437080