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98987669 = 1189101111
BaseRepresentation
bin1011110011001…
…10111010010101
320220021002112222
411321212322111
5200320101134
613453352125
72311244534
oct571467225
9226232488
1098987669
115096a9a0
1229198645
131767aab1
14d20a31b
158a54a2e
hex5e66e95

98987669 has 8 divisors (see below), whose sum is σ = 109200960. Its totient is φ = 88976800.

The previous prime is 98987657. The next prime is 98987671. The reversal of 98987669 is 96678989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-98987669 is a prime.

It is a super-2 number, since 2×989876692 = 19597117228107122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98987639) 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, 49577 + ... + 51534.

It is an arithmetic number, because the mean of its divisors is an integer number (13650120).

Almost surely, 298987669 is an apocalyptic number.

It is an amenable number.

98987669 is a deficient number, since it is larger than the sum of its proper divisors (10213291).

98987669 is a wasteful number, since it uses less digits than its factorization.

98987669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101211.

The product of its digits is 11757312, while the sum is 62.

The square root of 98987669 is about 9949.2546957046. The cubic root of 98987669 is about 462.5872933842.

The spelling of 98987669 in words is "ninety-eight million, nine hundred eighty-seven thousand, six hundred sixty-nine".

Divisors: 1 11 89 979 101111 1112221 8998879 98987669