Search a number
-
+
146087040 = 2735116917
BaseRepresentation
bin10001011010100…
…01110010000000
3101011212222202010
420231101302000
5244344241130
622255052520
73422501511
oct1055216200
9334788663
10146087040
117550a3a0
1240b11140
132435bb48
141558aa08
15cc5a0b0
hex8b51c80

146087040 has 128 divisors (see below), whose sum is σ = 508057920. Its totient is φ = 35409920.

The previous prime is 146087033. The next prime is 146087047. The reversal of 146087040 is 40780641.

It is an interprime number because it is at equal distance from previous prime (146087033) and next prime (146087047).

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a junction number, because it is equal to n+sod(n) for n = 146086989 and 146087007.

It is not an unprimeable number, because it can be changed into a prime (146087047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17662 + ... + 24578.

Almost surely, 2146087040 is an apocalyptic number.

146087040 is a gapful number since it is divisible by the number (10) 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 146087040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254028960).

146087040 is an abundant number, since it is smaller than the sum of its proper divisors (361970880).

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

146087040 is a wasteful number, since it uses less digits than its factorization.

146087040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950 (or 6938 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 146087040 is about 12086.6471777743. The cubic root of 146087040 is about 526.6683615463.

The spelling of 146087040 in words is "one hundred forty-six million, eighty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 264 320 330 352 384 440 480 528 640 660 704 880 960 1056 1320 1408 1760 1920 2112 2640 3520 4224 5280 6917 7040 10560 13834 20751 21120 27668 34585 41502 55336 69170 76087 83004 103755 110672 138340 152174 166008 207510 221344 228261 276680 304348 332016 380435 415020 442688 456522 553360 608696 664032 760870 830040 885376 913044 1106720 1141305 1217392 1328064 1521740 1660080 1826088 2213440 2282610 2434784 2656128 3043480 3320160 3652176 4426880 4565220 4869568 6086960 6640320 7304352 9130440 9739136 12173920 13280640 14608704 18260880 24347840 29217408 36521760 48695680 73043520 146087040