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38013000 = 2335312671
BaseRepresentation
bin1001000100000…
…0100001001000
32122112021000220
42101000201020
534212404000
63434430040
7641051034
oct221004110
978467026
1038013000
111a503803
1210892320
137b4c2cc
1450971c4
15350d1a0
hex2440848

38013000 has 64 divisors (see below), whose sum is σ = 118609920. Its totient is φ = 10136000.

The previous prime is 38012993. The next prime is 38013007. The reversal of 38013000 is 31083.

It is an interprime number because it is at equal distance from previous prime (38012993) and next prime (38013007).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (38013007) 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, 3336 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (1853280).

Almost surely, 238013000 is an apocalyptic number.

38013000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38013000 is an abundant number, since it is smaller than the sum of its proper divisors (80596920).

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

38013000 is a wasteful number, since it uses less digits than its factorization.

38013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695 (or 12681 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 38013000 is about 6165.4683520394. The cubic root of 38013000 is about 336.2358746249.

Adding to 38013000 its reverse (31083), we get a palindrome (38044083).

The spelling of 38013000 in words is "thirty-eight million, thirteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 12671 25342 38013 50684 63355 76026 101368 126710 152052 190065 253420 304104 316775 380130 506840 633550 760260 950325 1267100 1520520 1583875 1900650 2534200 3167750 3801300 4751625 6335500 7602600 9503250 12671000 19006500 38013000