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99993755 = 5311673863
BaseRepresentation
bin1011111010111…
…00100010011011
320222011012122102
411331130202123
5201044300010
613531114015
72322634661
oct575344233
9228135572
1099993755
1151497874
12295a290b
1317940a04
14d3ccc31
158ba2ba5
hex5f5c89b

99993755 has 16 divisors (see below), whose sum is σ = 124637184. Its totient is φ = 76931040.

The previous prime is 99993743. The next prime is 99993767. The reversal of 99993755 is 55739999.

It is an interprime number because it is at equal distance from previous prime (99993743) and next prime (99993767).

It is a de Polignac number, because none of the positive numbers 2k-99993755 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99993755.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23954 + ... + 27816.

It is an arithmetic number, because the mean of its divisors is an integer number (7789824).

Almost surely, 299993755 is an apocalyptic number.

99993755 is a deficient number, since it is larger than the sum of its proper divisors (24643429).

99993755 is a wasteful number, since it uses less digits than its factorization.

99993755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066.

The product of its digits is 3444525, while the sum is 56.

The square root of 99993755 is about 9999.6877451248. The cubic root of 99993755 is about 464.1492209194.

The spelling of 99993755 in words is "ninety-nine million, nine hundred ninety-three thousand, seven hundred fifty-five".

Divisors: 1 5 31 155 167 835 3863 5177 19315 25885 119753 598765 645121 3225605 19998751 99993755