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140492460 = 223519123239
BaseRepresentation
bin10000101111110…
…11111010101100
3100210100202102110
420113323322230
5241431224320
621535124020
73324111003
oct1027737254
9323322373
10140492460
1172339079
123b073610
1323150544
1414931c3a
15c5025e0
hex85fbeac

140492460 has 48 divisors (see below), whose sum is σ = 414086400. Its totient is φ = 35492544.

The previous prime is 140492459. The next prime is 140492467. The reversal of 140492460 is 64294041.

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

It is not an unprimeable number, because it can be changed into a prime (140492467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60480 + ... + 62759.

It is an arithmetic number, because the mean of its divisors is an integer number (8626800).

Almost surely, 2140492460 is an apocalyptic number.

140492460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140492460 is an abundant number, since it is smaller than the sum of its proper divisors (273593940).

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

140492460 is a wasteful number, since it uses less digits than its factorization.

140492460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123270 (or 123268 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 140492460 is about 11852.9515311588. The cubic root of 140492460 is about 519.8575300031.

The spelling of 140492460 in words is "one hundred forty million, four hundred ninety-two thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 123239 246478 369717 492956 616195 739434 1232390 1478868 1848585 2341541 2464780 3697170 4683082 7024623 7394340 9366164 11707705 14049246 23415410 28098492 35123115 46830820 70246230 140492460