Search a number
-
+
86912400 = 24352234767
BaseRepresentation
bin1010010111000…
…10110110010000
320001112121101210
411023202312100
5134222144100
612342500120
72103512631
oct513426620
9201477353
1086912400
1145072633
1225134640
1315010773
14b785888
15796bc50
hex52e2d90

86912400 has 240 divisors, whose sum is σ = 301123584. Its totient is φ = 21373440.

The previous prime is 86912393. The next prime is 86912407. The reversal of 86912400 is 421968.

It is an interprime number because it is at equal distance from previous prime (86912393) and next prime (86912407).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (86912407) 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, 1297167 + ... + 1297233.

Almost surely, 286912400 is an apocalyptic number.

86912400 is a gapful number since it is divisible by the number (80) 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 86912400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150561792).

86912400 is an abundant number, since it is smaller than the sum of its proper divisors (214211184).

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

86912400 is a wasteful number, since it uses less digits than its factorization.

86912400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 86912400 is about 9322.6820175312. The cubic root of 86912400 is about 442.9559920071.

The spelling of 86912400 in words is "eighty-six million, nine hundred twelve thousand, four hundred".