Search a number
-
+
140956380 = 223253125261
BaseRepresentation
bin10000110011011…
…01001011011100
3100211020022210200
420121231023130
5242041101010
621553103500
73331052355
oct1031551334
9324208720
10140956380
1172625684
123b257b90
1323283756
1414a12d2c
15c594cc0
hex866d2dc

140956380 has 72 divisors (see below), whose sum is σ = 441377664. Its totient is φ = 36374400.

The previous prime is 140956363. The next prime is 140956391. The reversal of 140956380 is 83659041.

140956380 is a `hidden beast` number, since 14 + 0 + 9 + 5 + 638 + 0 = 666.

140956380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7051 + ... + 18210.

Almost surely, 2140956380 is an apocalyptic number.

140956380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140956380 is an abundant number, since it is smaller than the sum of its proper divisors (300421284).

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

140956380 is a wasteful number, since it uses less digits than its factorization.

140956380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25307 (or 25302 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 140956380 is about 11872.5052116224. The cubic root of 140956380 is about 520.4291083235.

The spelling of 140956380 in words is "one hundred forty million, nine hundred fifty-six thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1860 2790 5580 25261 50522 75783 101044 126305 151566 227349 252610 303132 378915 454698 505220 757830 783091 909396 1136745 1515660 1566182 2273490 2349273 3132364 3915455 4546980 4698546 7047819 7830910 9397092 11746365 14095638 15661820 23492730 28191276 35239095 46985460 70478190 140956380