Search a number
-
+
140030760 = 23351961417
BaseRepresentation
bin10000101100010…
…11001100101000
3100202111022002110
420112023030220
5241321441020
621521202320
73320145642
oct1026131450
9322438073
10140030760
1172053201
123aa903a0
132301b34c
1414851892
15c4608e0
hex858b328

140030760 has 64 divisors (see below), whose sum is σ = 442209600. Its totient is φ = 35375616.

The previous prime is 140030753. The next prime is 140030771. The reversal of 140030760 is 67030041.

It is a super-2 number, since 2×1400307602 = 39217227492355200, which contains 22 as substring.

It is an unprimeable number.

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, 28429 + ... + 32988.

It is an arithmetic number, because the mean of its divisors is an integer number (6909525).

Almost surely, 2140030760 is an apocalyptic number.

140030760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140030760 is an abundant number, since it is smaller than the sum of its proper divisors (302178840).

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

140030760 is a wasteful number, since it uses less digits than its factorization.

140030760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61450 (or 61446 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 140030760 is about 11833.4593420521. The cubic root of 140030760 is about 519.2874362380.

The spelling of 140030760 in words is "one hundred forty million, thirty thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 2280 61417 122834 184251 245668 307085 368502 491336 614170 737004 921255 1166923 1228340 1474008 1842510 2333846 2456680 3500769 3685020 4667692 5834615 7001538 7370040 9335384 11669230 14003076 17503845 23338460 28006152 35007690 46676920 70015380 140030760