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38157000 = 2335372379
BaseRepresentation
bin1001000110001…
…1101011001000
32122210120120020
42101203223020
534232011000
63441500440
7642220620
oct221435310
978716506
1038157000
111a5a1a12
1210941720
137b9ca0b
1450d3880
15353aba0
hex2463ac8

38157000 has 256 divisors, whose sum is σ = 143769600. Its totient is φ = 8236800.

The previous prime is 38156999. The next prime is 38157013. The reversal of 38157000 is 75183.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 482961 + ... + 483039.

It is an arithmetic number, because the mean of its divisors is an integer number (561600).

Almost surely, 238157000 is an apocalyptic number.

38157000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38157000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71884800).

38157000 is an abundant number, since it is smaller than the sum of its proper divisors (105612600).

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

38157000 is a wasteful number, since it uses less digits than its factorization.

38157000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 38157000 is about 6177.1352583540. The cubic root of 38157000 is about 336.6599133806.

The spelling of 38157000 in words is "thirty-eight million, one hundred fifty-seven thousand".