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238423476 = 223194383293
BaseRepresentation
bin11100011011000…
…00110110110100
3121121122011112010
432031200312310
5442014022401
635354124220
75623365114
oct1615406664
9547564463
10238423476
111126470a5
1267a20670
133a51b3a5
1423945044
1515de8ed6
hexe360db4

238423476 has 96 divisors (see below), whose sum is σ = 608509440. Its totient is φ = 72406656.

The previous prime is 238423463. The next prime is 238423481. The reversal of 238423476 is 674324832.

238423476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813586 + ... + 813878.

It is an arithmetic number, because the mean of its divisors is an integer number (6338640).

Almost surely, 2238423476 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 238423476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304254720).

238423476 is an abundant number, since it is smaller than the sum of its proper divisors (370085964).

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

238423476 is a wasteful number, since it uses less digits than its factorization.

238423476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 443 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 238423476 is about 15440.9674567366. The cubic root of 238423476 is about 620.0827811770.

The spelling of 238423476 in words is "two hundred thirty-eight million, four hundred twenty-three thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 12 19 38 43 57 76 83 86 114 129 166 172 228 249 258 293 332 498 516 586 817 879 996 1172 1577 1634 1758 2451 3154 3268 3516 3569 4731 4902 5567 6308 7138 9462 9804 10707 11134 12599 14276 16701 18924 21414 22268 24319 25198 33402 37797 42828 48638 50396 66804 67811 72957 75594 97276 135622 145914 151188 203433 239381 271244 291828 406866 462061 478762 718143 813732 924122 957524 1045717 1386183 1436286 1848244 2091434 2772366 2872572 3137151 4182868 5544732 6274302 12548604 19868623 39737246 59605869 79474492 119211738 238423476