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88493490 = 2325983261
BaseRepresentation
bin1010100011001…
…00110110110010
320011111221020200
411101210312302
5140123242430
612440420030
72123116341
oct521446662
9204457220
1088493490
1145a52518
1225777616
1315445317
14ba77b58
157b80460
hex5464db2

88493490 has 24 divisors (see below), whose sum is σ = 230083308. Its totient is φ = 23598240.

The previous prime is 88493423. The next prime is 88493491. The reversal of 88493490 is 9439488.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73770921 + 14722569 = 8589^2 + 3837^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (88493491) 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 11 ways as a sum of consecutive naturals, for example, 491541 + ... + 491720.

Almost surely, 288493490 is an apocalyptic number.

88493490 is an abundant number, since it is smaller than the sum of its proper divisors (141589818).

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

88493490 is a wasteful number, since it uses less digits than its factorization.

88493490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983274 (or 983271 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 88493490 is about 9407.0978521540. The cubic root of 88493490 is about 445.6259171633.

The spelling of 88493490 in words is "eighty-eight million, four hundred ninety-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 983261 1966522 2949783 4916305 5899566 8849349 9832610 14748915 17698698 29497830 44246745 88493490