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38248071 = 3291373209
BaseRepresentation
bin1001000111100…
…1111010000111
32122222012111020
42101321322013
534242414241
63443442223
7643050261
oct221717207
978865436
1038248071
111a654384
1210986373
137c022c4
145118b31
153557b66
hex2479e87

38248071 has 16 divisors (see below), whose sum is σ = 53157600. Its totient is φ = 24432128.

The previous prime is 38248069. The next prime is 38248073. The reversal of 38248071 is 17084283.

It is an interprime number because it is at equal distance from previous prime (38248069) and next prime (38248073).

It is a cyclic number.

It is not a de Polignac number, because 38248071 - 21 = 38248069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38248073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10315 + ... + 13523.

It is an arithmetic number, because the mean of its divisors is an integer number (3322350).

Almost surely, 238248071 is an apocalyptic number.

38248071 is a deficient number, since it is larger than the sum of its proper divisors (14909529).

38248071 is a wasteful number, since it uses less digits than its factorization.

38248071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 38248071 is about 6184.5024860533. The cubic root of 38248071 is about 336.9275409437.

The spelling of 38248071 in words is "thirty-eight million, two hundred forty-eight thousand, seventy-one".

Divisors: 1 3 29 87 137 411 3209 3973 9627 11919 93061 279183 439633 1318899 12749357 38248071