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100302993 = 3271592111
BaseRepresentation
bin1011111101010…
…00000010010001
320222201220211200
411332220002101
5201134143433
613541501413
72325363360
oct576500221
9228656750
10100302993
115168913a
1229711869
1317a1b6ab
14d46d7d7
158c14613
hex5fa8091

100302993 has 12 divisors (see below), whose sum is σ = 165579648. Its totient is φ = 57315960.

The previous prime is 100302989. The next prime is 100303003. The reversal of 100302993 is 399203001.

It is not a de Polignac number, because 100302993 - 22 = 100302989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100302913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795993 + ... + 796118.

It is an arithmetic number, because the mean of its divisors is an integer number (13798304).

Almost surely, 2100302993 is an apocalyptic number.

It is an amenable number.

100302993 is a deficient number, since it is larger than the sum of its proper divisors (65276655).

100302993 is a wasteful number, since it uses less digits than its factorization.

100302993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592124 (or 1592121 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 100302993 is about 10015.1381917575. The cubic root of 100302993 is about 464.6272003319.

Adding to 100302993 its reverse (399203001), we get a palindrome (499505994).

The spelling of 100302993 in words is "one hundred million, three hundred two thousand, nine hundred ninety-three".

Divisors: 1 3 7 9 21 63 1592111 4776333 11144777 14328999 33434331 100302993