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88423002 = 234737477
BaseRepresentation
bin1010100010100…
…11101001011010
320011101100120000
411101103221122
5140114014002
612435113430
72122404003
oct521235132
9204340500
1088423002
1145a04568
1225742876
131541c205
14ba5a1aa
157b6961c
hex5453a5a

88423002 has 40 divisors (see below), whose sum is σ = 200874036. Its totient is φ = 29066688.

The previous prime is 88422991. The next prime is 88423003. The reversal of 88423002 is 20032488.

It can be written as a sum of positive squares in 2 ways, for example, as 79548561 + 8874441 = 8919^2 + 2979^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (88423003) 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 19 ways as a sum of consecutive naturals, for example, 8088 + ... + 15564.

Almost surely, 288423002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88423002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100437018).

88423002 is an abundant number, since it is smaller than the sum of its proper divisors (112451034).

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

88423002 is a wasteful number, since it uses less digits than its factorization.

88423002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564 (or 7555 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 88423002 is about 9403.3505730670. The cubic root of 88423002 is about 445.5075671265.

The spelling of 88423002 in words is "eighty-eight million, four hundred twenty-three thousand, two".

Divisors: 1 2 3 6 9 18 27 54 73 81 146 162 219 438 657 1314 1971 3942 5913 7477 11826 14954 22431 44862 67293 134586 201879 403758 545821 605637 1091642 1211274 1637463 3274926 4912389 9824778 14737167 29474334 44211501 88423002