Search a number
-
+
74940480 = 2632526021
BaseRepresentation
bin1000111011110…
…00000001000000
312020000101000100
410131320001000
5123141043410
611234122400
71566661236
oct435700100
9166011010
1074940480
113933598a
1221120400
13126ab4a4
149d4a956
1568a48c0
hex4778040

74940480 has 84 divisors (see below), whose sum is σ = 257773932. Its totient is φ = 19983360.

The previous prime is 74940469. The next prime is 74940491. The reversal of 74940480 is 8404947.

It is an interprime number because it is at equal distance from previous prime (74940469) and next prime (74940491).

It can be written as a sum of positive squares in 2 ways, for example, as 56070144 + 18870336 = 7488^2 + 4344^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10131 + ... + 15890.

Almost surely, 274940480 is an apocalyptic number.

It is an amenable number.

74940480 is an abundant number, since it is smaller than the sum of its proper divisors (182833452).

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

74940480 is a wasteful number, since it uses less digits than its factorization.

74940480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26044 (or 26031 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74940480 is about 8656.8169669920. The cubic root of 74940480 is about 421.6047450998.

The spelling of 74940480 in words is "seventy-four million, nine hundred forty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 26021 52042 78063 104084 130105 156126 208168 234189 260210 312252 390315 416336 468378 520420 624504 780630 832672 936756 1040840 1170945 1249008 1561260 1665344 1873512 2081680 2341890 2498016 3122520 3747024 4163360 4683780 4996032 6245040 7494048 8326720 9367560 12490080 14988096 18735120 24980160 37470240 74940480