[go: up one dir, main page]

Search a number
-
+
87973704 = 233271329463
BaseRepresentation
bin1010011111001…
…01111101001000
320010112112020100
411033211331020
5140010124304
612421325400
72115523050
oct517457510
9203475210
1087973704
1145727a45
1225566860
13152c2860
14b980560
157acb439
hex53e5f48

87973704 has 192 divisors, whose sum is σ = 304012800. Its totient is φ = 22353408.

The previous prime is 87973681. The next prime is 87973709. The reversal of 87973704 is 40737978.

It is a self number, because there is not a number n which added to its sum of digits gives 87973704.

It is not an unprimeable number, because it can be changed into a prime (87973709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189777 + ... + 190239.

It is an arithmetic number, because the mean of its divisors is an integer number (1583400).

Almost surely, 287973704 is an apocalyptic number.

87973704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87973704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152006400).

87973704 is an abundant number, since it is smaller than the sum of its proper divisors (216039096).

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

87973704 is a wasteful number, since it uses less digits than its factorization.

87973704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 87973704 is about 9379.4298334174. The cubic root of 87973704 is about 444.7517093210.

The spelling of 87973704 in words is "eighty-seven million, nine hundred seventy-three thousand, seven hundred four".