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99992830 = 2572204067
BaseRepresentation
bin1011111010111…
…00010011111110
320222011011101011
411331130103332
5201044232310
613531105434
72322632200
oct575342376
9228134334
1099992830
1151497103
12295a227a
1317940472
14d3cc770
158ba278a
hex5f5c4fe

99992830 has 24 divisors (see below), whose sum is σ = 209373768. Its totient is φ = 34283088.

The previous prime is 99992813. The next prime is 99992831. The reversal of 99992830 is 3829999.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99992831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101544 + ... + 102523.

It is an arithmetic number, because the mean of its divisors is an integer number (8723907).

Almost surely, 299992830 is an apocalyptic number.

99992830 is an abundant number, since it is smaller than the sum of its proper divisors (109380938).

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

99992830 is a wasteful number, since it uses less digits than its factorization.

99992830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204088 (or 204081 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 99992830 is about 9999.6414935737. The cubic root of 99992830 is about 464.1477896988.

The spelling of 99992830 in words is "ninety-nine million, nine hundred ninety-two thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 204067 408134 1020335 1428469 2040670 2856938 7142345 9999283 14284690 19998566 49996415 99992830