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38207001 = 371819381
BaseRepresentation
bin1001000110111…
…1111000011001
32122220010011010
42101233320121
534240111001
63442524133
7642516450
oct221577031
978803133
1038207001
111a626538
1210966649
137bb96c1
145107b97
15354a8d6
hex246fe19

38207001 has 8 divisors (see below), whose sum is σ = 58220224. Its totient is φ = 21832560.

The previous prime is 38206997. The next prime is 38207009. The reversal of 38207001 is 10070283.

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

It is not a de Polignac number, because 38207001 - 22 = 38206997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1819381 = 38207001 / (3 + 8 + 2 + 0 + 7 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38207009) 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, 909670 + ... + 909711.

It is an arithmetic number, because the mean of its divisors is an integer number (7277528).

Almost surely, 238207001 is an apocalyptic number.

It is an amenable number.

38207001 is a deficient number, since it is larger than the sum of its proper divisors (20013223).

38207001 is a wasteful number, since it uses less digits than its factorization.

38207001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819391.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 38207001 is about 6181.1811977971. The cubic root of 38207001 is about 336.8069024422.

Adding to 38207001 its reverse (10070283), we get a palindrome (48277284).

The spelling of 38207001 in words is "thirty-eight million, two hundred seven thousand, one".

Divisors: 1 3 7 21 1819381 5458143 12735667 38207001