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38289996 = 22381459
BaseRepresentation
bin1001001000010…
…0001001001100
32200001100000000
42102010021030
534300234441
63444404300
7643313433
oct222041114
980040000
1038289996
111a682928
12109a6690
137c18404
14512a11a
1535652b6
hex248424c

38289996 has 54 divisors (see below), whose sum is σ = 100575020. Its totient is φ = 12754584.

The previous prime is 38289971. The next prime is 38290003. The reversal of 38289996 is 69998283.

It is a tau number, because it is divible by the number of its divisors (54).

It is a super-2 number, since 2×382899962 = 2932247587360032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25515 + ... + 26973.

Almost surely, 238289996 is an apocalyptic number.

38289996 is a gapful number since it is divisible by the number (36) 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 38289996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50287510).

38289996 is an abundant number, since it is smaller than the sum of its proper divisors (62285024).

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

38289996 is an equidigital number, since it uses as much as digits as its factorization.

38289996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1464 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 38289996 is about 6187.8910785501. The cubic root of 38289996 is about 337.0506018695.

It can be divided in two parts, 3828 and 9996, that added together give a cube (13824 = 243).

The spelling of 38289996 in words is "thirty-eight million, two hundred eighty-nine thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 1459 2187 2916 2918 4374 4377 5836 6561 8748 8754 13122 13131 17508 26244 26262 39393 52524 78786 118179 157572 236358 354537 472716 709074 1063611 1418148 2127222 3190833 4254444 6381666 9572499 12763332 19144998 38289996