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98974920 = 23351197773
BaseRepresentation
bin1011110011000…
…11110011001000
320220020110001210
411321203303020
5200314144140
613453213120
72311162422
oct571436310
9226213053
1098974920
1150961360
12291911a0
1317675055
14d205812
158a50d80
hex5e63cc8

98974920 has 128 divisors (see below), whose sum is σ = 327680640. Its totient is φ = 23715840.

The previous prime is 98974907. The next prime is 98974921. The reversal of 98974920 is 2947989.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 98974920.

It is not an unprimeable number, because it can be changed into a prime (98974921) 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, 127654 + ... + 128426.

It is an arithmetic number, because the mean of its divisors is an integer number (2560005).

Almost surely, 298974920 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 98974920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163840320).

98974920 is an abundant number, since it is smaller than the sum of its proper divisors (228705720).

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

98974920 is a wasteful number, since it uses less digits than its factorization.

98974920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 98974920 is about 9948.6139738156. The cubic root of 98974920 is about 462.5674330701.

The spelling of 98974920 in words is "ninety-eight million, nine hundred seventy-four thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 97 110 120 132 165 194 220 264 291 330 388 440 485 582 660 773 776 970 1067 1164 1320 1455 1546 1940 2134 2319 2328 2910 3092 3201 3865 3880 4268 4638 5335 5820 6184 6402 7730 8503 8536 9276 10670 11595 11640 12804 15460 16005 17006 18552 21340 23190 25509 25608 30920 32010 34012 42515 42680 46380 51018 64020 68024 74981 85030 92760 102036 127545 128040 149962 170060 204072 224943 255090 299924 340120 374905 449886 510180 599848 749810 824791 899772 1020360 1124715 1499620 1649582 1799544 2249430 2474373 2999240 3299164 4123955 4498860 4948746 6598328 8247910 8997720 9897492 12371865 16495820 19794984 24743730 32991640 49487460 98974920