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428242296 = 233591931567
BaseRepresentation
bin11001100001100…
…111010101111000
31002211210221222210
4121201213111320
51334112223141
6110254415120
713416666546
oct3141472570
91084727883
10428242296
111aa805859
12bb5014a0
136a94c511
1440c36d96
15278e1916
hex19867578

428242296 has 64 divisors (see below), whose sum is σ = 1095091200. Its totient is φ = 139511808.

The previous prime is 428242271. The next prime is 428242301. The reversal of 428242296 is 692242824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272505 + ... + 274071.

It is an arithmetic number, because the mean of its divisors is an integer number (17110800).

Almost surely, 2428242296 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 428242296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547545600).

428242296 is an abundant number, since it is smaller than the sum of its proper divisors (666848904).

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

428242296 is a wasteful number, since it uses less digits than its factorization.

428242296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1824 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 428242296 is about 20694.0159466451. The cubic root of 428242296 is about 753.7543871871.

The spelling of 428242296 in words is "four hundred twenty-eight million, two hundred forty-two thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 193 236 354 386 472 579 708 772 1158 1416 1544 1567 2316 3134 4632 4701 6268 9402 11387 12536 18804 22774 34161 37608 45548 68322 91096 92453 136644 184906 273288 277359 302431 369812 554718 604862 739624 907293 1109436 1209724 1814586 2218872 2419448 3629172 7258344 17843429 35686858 53530287 71373716 107060574 142747432 214121148 428242296