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74060140 = 22571148091
BaseRepresentation
bin1000110101000…
…01000101101100
312011100122102011
410122201011230
5122424411030
611203211004
71556333530
oct432410554
9164318364
1074060140
1138894530
1220976a64
131246088b
149b9bbc0
15677db2a
hex46a116c

74060140 has 48 divisors (see below), whose sum is σ = 193906944. Its totient is φ = 23083200.

The previous prime is 74060137. The next prime is 74060141. The reversal of 74060140 is 4106047.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (74060141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22506 + ... + 25585.

It is an arithmetic number, because the mean of its divisors is an integer number (4039728).

Almost surely, 274060140 is an apocalyptic number.

74060140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74060140 is an abundant number, since it is smaller than the sum of its proper divisors (119846804).

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

74060140 is a wasteful number, since it uses less digits than its factorization.

74060140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48118 (or 48116 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 74060140 is about 8605.8201236140. The cubic root of 74060140 is about 419.9473478970.

Adding to 74060140 its reverse (4106047), we get a palindrome (78166187).

It can be divided in two parts, 74060 and 140, that multiplied together give a square (10368400 = 32202).

The spelling of 74060140 in words is "seventy-four million, sixty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 48091 96182 192364 240455 336637 480910 529001 673274 961820 1058002 1346548 1683185 2116004 2645005 3366370 3703007 5290010 6732740 7406014 10580020 14812028 18515035 37030070 74060140