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1010431140 = 223516840519
BaseRepresentation
bin111100001110011…
…111010010100100
32121102022012221120
4330032133102210
54032132244030
6244133013540
734016344245
oct7416372244
92542265846
101010431140
114793a8964
122424842b0
13131450064
14982a4ccc
155da92010
hex3c39f4a4

1010431140 has 24 divisors (see below), whose sum is σ = 2829207360. Its totient is φ = 269448288.

The previous prime is 1010431129. The next prime is 1010431141. The reversal of 1010431140 is 411340101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1010431141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8420200 + ... + 8420319.

It is an arithmetic number, because the mean of its divisors is an integer number (117883640).

Almost surely, 21010431140 is an apocalyptic number.

1010431140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010431140 is an abundant number, since it is smaller than the sum of its proper divisors (1818776220).

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

1010431140 is a wasteful number, since it uses less digits than its factorization.

1010431140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840531 (or 16840529 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1010431140 is about 31787.2795312842. The cubic root of 1010431140 is about 1003.4650263913.

Adding to 1010431140 its reverse (411340101), we get a palindrome (1421771241).

The spelling of 1010431140 in words is "one billion, ten million, four hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16840519 33681038 50521557 67362076 84202595 101043114 168405190 202086228 252607785 336810380 505215570 1010431140