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98156920 = 2352453923
BaseRepresentation
bin1011101100111…
…00000101111000
320211200212222111
411312130011320
5200112010140
613423502104
72301214531
oct566340570
9224625874
1098156920
1150452824
1228a57934
1317449924
14d071688
15893d7ea
hex5d9c178

98156920 has 16 divisors (see below), whose sum is σ = 220853160. Its totient is φ = 39262752.

The previous prime is 98156899. The next prime is 98156923. The reversal of 98156920 is 2965189.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2453923 = 98156920 / (9 + 8 + 1 + 5 + 6 + 9 + 2 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98156923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226922 + ... + 1227001.

Almost surely, 298156920 is an apocalyptic number.

It is an amenable number.

98156920 is an abundant number, since it is smaller than the sum of its proper divisors (122696240).

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

98156920 is a wasteful number, since it uses less digits than its factorization.

98156920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453934 (or 2453930 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 98156920 is about 9907.4174233248. The cubic root of 98156920 is about 461.2895760971.

The spelling of 98156920 in words is "ninety-eight million, one hundred fifty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2453923 4907846 9815692 12269615 19631384 24539230 49078460 98156920