Search a number
-
+
38198952 = 23341123233
BaseRepresentation
bin1001000110110…
…1111010101000
32122212201010000
42101231322220
534234331302
63442423000
7642454131
oct221557250
978781100
1038198952
111a620490
1210961a60
137bb5b3c
145104c88
15354831c
hex246dea8

38198952 has 160 divisors (see below), whose sum is σ = 122316480. Its totient is φ = 11024640.

The previous prime is 38198939. The next prime is 38198957. The reversal of 38198952 is 25989183.

It is a happy number.

38198952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38198898 and 38198907.

It is not an unprimeable number, because it can be changed into a prime (38198957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 163828 + ... + 164060.

It is an arithmetic number, because the mean of its divisors is an integer number (764478).

Almost surely, 238198952 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 38198952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61158240).

38198952 is an abundant number, since it is smaller than the sum of its proper divisors (84117528).

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

38198952 is a wasteful number, since it uses less digits than its factorization.

38198952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 272 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 38198952 is about 6180.5300743545. The cubic root of 38198952 is about 336.7832492802.

The spelling of 38198952 in words is "thirty-eight million, one hundred ninety-eight thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 23 24 27 33 36 44 46 54 66 69 72 81 88 92 99 108 132 138 162 184 198 207 216 233 253 264 276 297 324 396 414 466 506 552 594 621 648 699 759 792 828 891 932 1012 1188 1242 1398 1518 1656 1782 1863 1864 2024 2097 2277 2376 2484 2563 2796 3036 3564 3726 4194 4554 4968 5126 5359 5592 6072 6291 6831 7128 7452 7689 8388 9108 10252 10718 12582 13662 14904 15378 16077 16776 18216 18873 20493 20504 21436 23067 25164 27324 30756 32154 37746 40986 42872 46134 48231 50328 54648 58949 61512 64308 69201 75492 81972 92268 96462 117898 128616 138402 144693 150984 163944 176847 184536 192924 207603 235796 276804 289386 353694 385848 415206 434079 471592 530541 553608 578772 707388 830412 868158 1061082 1157544 1414776 1591623 1660824 1736316 2122164 3183246 3472632 4244328 4774869 6366492 9549738 12732984 19099476 38198952