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98989012 = 22196172111
BaseRepresentation
bin1011110011001…
…11001111010100
320220021011101201
411321213033110
5200320122022
613453402244
72311251463
oct571471724
9226234351
1098989012
1150970a01
1229199384
131767b5a5
14d20a9da
158a55127
hex5e673d4

98989012 has 24 divisors (see below), whose sum is σ = 182730240. Its totient is φ = 46791360.

The previous prime is 98988991. The next prime is 98989019. The reversal of 98989012 is 21098989.

It is a happy number.

It is a super-2 number, since 2×989890122 = 19597648993472288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98989019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45837 + ... + 47947.

It is an arithmetic number, because the mean of its divisors is an integer number (7613760).

Almost surely, 298989012 is an apocalyptic number.

It is an amenable number.

98989012 is a deficient number, since it is larger than the sum of its proper divisors (83741228).

98989012 is a wasteful number, since it uses less digits than its factorization.

98989012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 98989012 is about 9949.3221879684. The cubic root of 98989012 is about 462.5893854021.

The spelling of 98989012 in words is "ninety-eight million, nine hundred eighty-nine thousand, twelve".

Divisors: 1 2 4 19 38 76 617 1234 2111 2468 4222 8444 11723 23446 40109 46892 80218 160436 1302487 2604974 5209948 24747253 49494506 98989012