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99743004 = 22322770639
BaseRepresentation
bin1011111000111…
…11010100011100
320221200110200100
411330133110130
5201013234004
613521501100
72320541634
oct574372434
9227613610
1099743004
1151336439
12294a1790
131788383a
14d3656c4
158b53739
hex5f1f51c

99743004 has 18 divisors (see below), whose sum is σ = 252128240. Its totient is φ = 33247656.

The previous prime is 99743003. The next prime is 99743023. The reversal of 99743004 is 40034799.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2770639 = 99743004 / (9 + 9 + 7 + 4 + 3 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 99743004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99743003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1385284 + ... + 1385355.

Almost surely, 299743004 is an apocalyptic number.

It is an amenable number.

99743004 is an abundant number, since it is smaller than the sum of its proper divisors (152385236).

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

99743004 is a wasteful number, since it uses less digits than its factorization.

99743004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770649 (or 2770644 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 99743004 is about 9987.1419335063. The cubic root of 99743004 is about 463.7609189942.

The spelling of 99743004 in words is "ninety-nine million, seven hundred forty-three thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 2770639 5541278 8311917 11082556 16623834 24935751 33247668 49871502 99743004