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488398428 = 2232731101619
BaseRepresentation
bin11101000111000…
…101111001011100
31021001000012200200
4131013011321130
52000012222203
6120244023500
715050214060
oct3507057134
91231005620
10488398428
11230762a71
12117691b90
137a25256b
1448c15aa0
152cd259a3
hex1d1c5e5c

488398428 has 144 divisors (see below), whose sum is σ = 1473239040. Its totient is φ = 133488000.

The previous prime is 488398381. The next prime is 488398441. The reversal of 488398428 is 824893884.

Its product of digits (3538944) is a multiple of the sum of its prime factors (768).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 788703 + ... + 789321.

Almost surely, 2488398428 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 488398428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736619520).

488398428 is an abundant number, since it is smaller than the sum of its proper divisors (984840612).

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

488398428 is a wasteful number, since it uses less digits than its factorization.

488398428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 763 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 488398428 is about 22099.7381884945. The cubic root of 488398428 is about 787.5136420917.

The spelling of 488398428 in words is "four hundred eighty-eight million, three hundred ninety-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 62 63 84 93 101 124 126 186 202 217 252 279 303 372 404 434 558 606 619 651 707 868 909 1116 1212 1238 1302 1414 1818 1857 1953 2121 2476 2604 2828 3131 3636 3714 3906 4242 4333 5571 6262 6363 7428 7812 8484 8666 9393 11142 12524 12726 12999 17332 18786 19189 21917 22284 25452 25998 28179 37572 38378 38997 43834 51996 56358 57567 62519 65751 76756 77994 87668 112716 115134 125038 131502 134323 155988 172701 187557 197253 230268 250076 263004 268646 345402 375114 394506 402969 437633 537292 562671 690804 750228 789012 805938 875266 1125342 1208907 1312899 1611876 1750532 1938089 2250684 2417814 2625798 3876178 3938697 4835628 5251596 5814267 7752356 7877394 11628534 13566623 15754788 17442801 23257068 27133246 34885602 40699869 54266492 69771204 81399738 122099607 162799476 244199214 488398428