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98071428 = 22371389809
BaseRepresentation
bin1011101100001…
…11001110000100
320211112112201010
411312013032010
5200101241203
613422002220
72300410350
oct566071604
9224475633
1098071428
11503a4574
1228a16370
1317419a40
14d04c460
158923303
hex5d87384

98071428 has 48 divisors (see below), whose sum is σ = 281644160. Its totient is φ = 25864704.

The previous prime is 98071427. The next prime is 98071429. The reversal of 98071428 is 82417089.

It is an interprime number because it is at equal distance from previous prime (98071427) and next prime (98071429).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (98071427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43813 + ... + 45996.

Almost surely, 298071428 is an apocalyptic number.

It is an amenable number.

98071428 is an abundant number, since it is smaller than the sum of its proper divisors (183572732).

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

98071428 is a wasteful number, since it uses less digits than its factorization.

98071428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89836 (or 89834 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 98071428 is about 9903.1019382818. The cubic root of 98071428 is about 461.1556136508.

The spelling of 98071428 in words is "ninety-eight million, seventy-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 89809 179618 269427 359236 538854 628663 1077708 1167517 1257326 1885989 2335034 2514652 3502551 3771978 4670068 7005102 7543956 8172619 14010204 16345238 24517857 32690476 49035714 98071428