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98513940 = 223571631439
BaseRepresentation
bin1011101111100…
…11010000010100
320212101000201110
411313303100110
5200204421230
613435255020
72304232440
oct567632024
9225330643
1098513940
1150676a88
1228baa470
1317543295
14d125820
1589ae4b0
hex5df3414

98513940 has 96 divisors (see below), whose sum is σ = 317399040. Its totient is φ = 22363776.

The previous prime is 98513911. The next prime is 98513941. The reversal of 98513940 is 4931589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98513941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67741 + ... + 69179.

It is an arithmetic number, because the mean of its divisors is an integer number (3306240).

Almost surely, 298513940 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 98513940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158699520).

98513940 is an abundant number, since it is smaller than the sum of its proper divisors (218885100).

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

98513940 is a wasteful number, since it uses less digits than its factorization.

98513940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 98513940 is about 9925.4188828482. The cubic root of 98513940 is about 461.8481725949.

The spelling of 98513940 in words is "ninety-eight million, five hundred thirteen thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 163 210 326 420 489 652 815 978 1141 1439 1630 1956 2282 2445 2878 3260 3423 4317 4564 4890 5705 5756 6846 7195 8634 9780 10073 11410 13692 14390 17115 17268 20146 21585 22820 28780 30219 34230 40292 43170 50365 60438 68460 86340 100730 120876 151095 201460 234557 302190 469114 604380 703671 938228 1172785 1407342 1641899 2345570 2814684 3283798 3518355 4691140 4925697 6567596 7036710 8209495 9851394 14073420 16418990 19702788 24628485 32837980 49256970 98513940