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38950490 = 253895049
BaseRepresentation
bin1001010010010…
…1011001011010
32201021220000202
42110211121122
534432403430
63510502202
7652034165
oct224453132
981256022
1038950490
111aa94097
1211064962
1380b9c37
14525cadc
153645d45
hex252565a

38950490 has 8 divisors (see below), whose sum is σ = 70110900. Its totient is φ = 15580192.

The previous prime is 38950487. The next prime is 38950493. The reversal of 38950490 is 9405983.

It is an interprime number because it is at equal distance from previous prime (38950487) and next prime (38950493).

It can be written as a sum of positive squares in 2 ways, for example, as 38105929 + 844561 = 6173^2 + 919^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38950493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947515 + ... + 1947534.

Almost surely, 238950490 is an apocalyptic number.

38950490 is a deficient number, since it is larger than the sum of its proper divisors (31160410).

38950490 is a wasteful number, since it uses less digits than its factorization.

38950490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895056.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 38950490 is about 6241.0327670987. The cubic root of 38950490 is about 338.9775802184.

The spelling of 38950490 in words is "thirty-eight million, nine hundred fifty thousand, four hundred ninety".

Divisors: 1 2 5 10 3895049 7790098 19475245 38950490