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194248704 = 21831319
BaseRepresentation
bin10111001010000…
…00000000000000
3111112111212010110
423211000000000
5344211424304
631135231320
74546041516
oct1345000000
9445455113
10194248704
119a714a21
1255078540
1331322580
141bb264b6
15120c0289
hexb940000

194248704 has 152 divisors (see below), whose sum is σ = 587201440. Its totient is φ = 56623104.

The previous prime is 194248669. The next prime is 194248711. The reversal of 194248704 is 407842491.

It is a tau number, because it is divible by the number of its divisors (152).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10223607 + ... + 10223625.

Almost surely, 2194248704 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 194248704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293600720).

194248704 is an abundant number, since it is smaller than the sum of its proper divisors (392952736).

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

194248704 is an frugal number, since it uses more digits than its factorization.

194248704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 194248704 is about 13937.3133709478. The cubic root of 194248704 is about 579.1433091650.

The spelling of 194248704 in words is "one hundred ninety-four million, two hundred forty-eight thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 114 128 152 156 192 208 228 247 256 304 312 384 416 456 494 512 608 624 741 768 832 912 988 1024 1216 1248 1482 1536 1664 1824 1976 2048 2432 2496 2964 3072 3328 3648 3952 4096 4864 4992 5928 6144 6656 7296 7904 8192 9728 9984 11856 12288 13312 14592 15808 16384 19456 19968 23712 24576 26624 29184 31616 32768 38912 39936 47424 49152 53248 58368 63232 65536 77824 79872 94848 98304 106496 116736 126464 131072 155648 159744 189696 196608 212992 233472 252928 262144 311296 319488 379392 393216 425984 466944 505856 622592 638976 758784 786432 851968 933888 1011712 1245184 1277952 1517568 1703936 1867776 2023424 2490368 2555904 3035136 3407872 3735552 4046848 4980736 5111808 6070272 7471104 8093696 10223616 12140544 14942208 16187392 24281088 32374784 48562176 64749568 97124352 194248704