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99193490 = 251119311531
BaseRepresentation
bin1011110100110…
…01001010010010
320220122112212222
411322121022102
5200343142430
613502021042
72313062564
oct572311222
9226575788
1099193490
1150aa05a0
1229277782
1317720696
14d261334
158a959e5
hex5e99292

99193490 has 64 divisors (see below), whose sum is σ = 211783680. Its totient is φ = 33048000.

The previous prime is 99193489. The next prime is 99193499. The reversal of 99193490 is 9439199.

It is not an unprimeable number, because it can be changed into a prime (99193499) 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 31 ways as a sum of consecutive naturals, for example, 64025 + ... + 65555.

It is an arithmetic number, because the mean of its divisors is an integer number (3309120).

Almost surely, 299193490 is an apocalyptic number.

99193490 is an abundant number, since it is smaller than the sum of its proper divisors (112590190).

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

99193490 is a wasteful number, since it uses less digits than its factorization.

99193490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 99193490 is about 9959.5928631646. The cubic root of 99193490 is about 462.9076843565.

The spelling of 99193490 in words is "ninety-nine million, one hundred ninety-three thousand, four hundred ninety".

Divisors: 1 2 5 10 11 19 22 31 38 55 62 95 110 155 190 209 310 341 418 589 682 1045 1178 1531 1705 2090 2945 3062 3410 5890 6479 7655 12958 15310 16841 29089 32395 33682 47461 58178 64790 84205 94922 145445 168410 237305 290890 319979 474610 522071 639958 901759 1044142 1599895 1803518 2610355 3199790 4508795 5220710 9017590 9919349 19838698 49596745 99193490