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140987460 = 223517277499
BaseRepresentation
bin10000110011101…
…00110001000100
3100211021220102210
420121310301010
5242043044320
621553503420
73331242105
oct1031646104
9324256383
10140987460
1172646a69
123b271b70
1323294943
1414a203ac
15c59e0e0
hex8674c44

140987460 has 96 divisors (see below), whose sum is σ = 420336000. Its totient is φ = 35186688.

The previous prime is 140987459. The next prime is 140987461. The reversal of 140987460 is 64789041.

It is a happy number.

140987460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140987459) and next prime (140987461).

It is not an unprimeable number, because it can be changed into a prime (140987461) 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 31 ways as a sum of consecutive naturals, for example, 282291 + ... + 282789.

It is an arithmetic number, because the mean of its divisors is an integer number (4378500).

Almost surely, 2140987460 is an apocalyptic number.

140987460 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 140987460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210168000).

140987460 is an abundant number, since it is smaller than the sum of its proper divisors (279348540).

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

140987460 is a wasteful number, since it uses less digits than its factorization.

140987460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 140987460 is about 11873.8140460427. The cubic root of 140987460 is about 520.4673559667.

The spelling of 140987460 in words is "one hundred forty million, nine hundred eighty-seven thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 277 340 499 510 554 831 998 1020 1108 1385 1497 1662 1996 2495 2770 2994 3324 4155 4709 4990 5540 5988 7485 8310 8483 9418 9980 14127 14970 16620 16966 18836 23545 25449 28254 29940 33932 42415 47090 50898 56508 70635 84830 94180 101796 127245 138223 141270 169660 254490 276446 282540 414669 508980 552892 691115 829338 1382230 1658676 2073345 2349791 2764460 4146690 4699582 7049373 8293380 9399164 11748955 14098746 23497910 28197492 35246865 46995820 70493730 140987460