[go: up one dir, main page]

Search a number
-
+
72466400 = 255290583
BaseRepresentation
bin1000101000110…
…11111111100000
312001100200012202
410110123333200
5122022411100
611105112332
71536645206
oct424337740
9161320182
1072466400
11379a6096
12203286a8
1312023336
1498a5076
1565667d5
hex451bfe0

72466400 has 36 divisors (see below), whose sum is σ = 176910552. Its totient is φ = 28986240.

The previous prime is 72466397. The next prime is 72466403. The reversal of 72466400 is 466427.

It is an interprime number because it is at equal distance from previous prime (72466397) and next prime (72466403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72466403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44492 + ... + 46091.

It is an arithmetic number, because the mean of its divisors is an integer number (4914182).

Almost surely, 272466400 is an apocalyptic number.

It is an amenable number.

72466400 is an abundant number, since it is smaller than the sum of its proper divisors (104444152).

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

72466400 is a wasteful number, since it uses less digits than its factorization.

72466400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90603 (or 90590 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 72466400 is about 8512.7198943698. The cubic root of 72466400 is about 416.9131199749.

The spelling of 72466400 in words is "seventy-two million, four hundred sixty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 90583 181166 362332 452915 724664 905830 1449328 1811660 2264575 2898656 3623320 4529150 7246640 9058300 14493280 18116600 36233200 72466400