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38226528 = 2532331401
BaseRepresentation
bin1001000111010…
…0101001100000
32122221002221100
42101310221200
534241222103
63443154400
7642630414
oct221645140
978832840
1038226528
111a63a17a
1210975a00
137bc5562
145110d44
1535515a3
hex2474a60

38226528 has 72 divisors (see below), whose sum is σ = 109307016. Its totient is φ = 12672000.

The previous prime is 38226521. The next prime is 38226533. The reversal of 38226528 is 82562283.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×382265282 = 2922534885869568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38226492 and 38226501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38226521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95128 + ... + 95528.

It is an arithmetic number, because the mean of its divisors is an integer number (1518153).

Almost surely, 238226528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38226528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54653508).

38226528 is an abundant number, since it is smaller than the sum of its proper divisors (71080488).

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

38226528 is a wasteful number, since it uses less digits than its factorization.

38226528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 737 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 38226528 is about 6182.7605484929. The cubic root of 38226528 is about 336.8642715813.

The spelling of 38226528 in words is "thirty-eight million, two hundred twenty-six thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 331 401 662 802 993 1203 1324 1604 1986 2406 2648 2979 3208 3609 3972 4812 5296 5958 6416 7218 7944 9624 10592 11916 12832 14436 15888 19248 23832 28872 31776 38496 47664 57744 95328 115488 132731 265462 398193 530924 796386 1061848 1194579 1592772 2123696 2389158 3185544 4247392 4778316 6371088 9556632 12742176 19113264 38226528