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343422872 = 231321929461
BaseRepresentation
bin10100011110000…
…011011110011000
3212221012200121122
4110132003132120
51200404012442
654024424412
711340021602
oct2436033630
9787180548
10343422872
11166942761
1297018108
13561c2600
1433878172
1520239dd2
hex14783798

343422872 has 96 divisors (see below), whose sum is σ = 760914000. Its totient is φ = 144668160.

The previous prime is 343422851. The next prime is 343422887. The reversal of 343422872 is 278224343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744722 + ... + 745182.

Almost surely, 2343422872 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 343422872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380457000).

343422872 is an abundant number, since it is smaller than the sum of its proper divisors (417491128).

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

343422872 is a wasteful number, since it uses less digits than its factorization.

343422872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 524 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 343422872 is about 18531.6721317856. The cubic root of 343422872 is about 700.2875498897.

The spelling of 343422872 in words is "three hundred forty-three million, four hundred twenty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 19 26 29 38 52 58 76 104 116 152 169 232 247 338 377 461 494 551 676 754 922 988 1102 1352 1508 1844 1976 2204 3016 3211 3688 4408 4901 5993 6422 7163 8759 9802 11986 12844 13369 14326 17518 19604 23972 25688 26738 28652 35036 39208 47944 53476 57304 70072 77909 93119 106952 113867 155818 173797 186238 227734 254011 311636 347594 372476 455468 508022 623272 695188 744952 910936 1016044 1390376 1480271 2032088 2259361 2960542 3302143 4518722 5921084 6604286 9037444 11842168 13208572 18074888 26417144 42927859 85855718 171711436 343422872