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140987484 = 223211439811
BaseRepresentation
bin10000110011101…
…00110001011100
3100211021220110200
420121310301130
5242043044414
621553503500
73331242141
oct1031646134
9324256420
10140987484
1172646a90
123b271b90
1323294961
1414a203c8
15c59e109
hex8674c5c

140987484 has 72 divisors (see below), whose sum is σ = 390149760. Its totient is φ = 42573600.

The previous prime is 140987461. The next prime is 140987489. The reversal of 140987484 is 484789041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140987489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173439 + ... + 174249.

Almost surely, 2140987484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140987484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195074880).

140987484 is an abundant number, since it is smaller than the sum of its proper divisors (249162276).

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

140987484 is a wasteful number, since it uses less digits than its factorization.

140987484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 140987484 is about 11873.8150566699. The cubic root of 140987484 is about 520.4673854994.

The spelling of 140987484 in words is "one hundred forty million, nine hundred eighty-seven thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 439 811 878 1317 1622 1756 2433 2634 3244 3951 4829 4866 5268 7299 7902 8921 9658 9732 14487 14598 15804 17842 19316 26763 28974 29196 35684 43461 53526 57948 80289 86922 107052 160578 173844 321156 356029 712058 1068087 1424116 2136174 3204261 3916319 4272348 6408522 7832638 11748957 12817044 15665276 23497914 35246871 46995828 70493742 140987484