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1040212000 = 25531913687
BaseRepresentation
bin111110000000000…
…110000000100000
32200111100020121101
4332000012000200
54112243241000
6251115204144
734530441022
oct7600060040
92614306541
101040212000
11494199743
12250446654
13137679379
149c218012
15614c5e6a
hex3e006020

1040212000 has 96 divisors (see below), whose sum is σ = 2690513280. Its totient is φ = 394156800.

The previous prime is 1040211989. The next prime is 1040212009. The reversal of 1040212000 is 2120401.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1040212009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69157 + ... + 82843.

It is an arithmetic number, because the mean of its divisors is an integer number (28026180).

Almost surely, 21040212000 is an apocalyptic number.

1040212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345256640).

1040212000 is an abundant number, since it is smaller than the sum of its proper divisors (1650301280).

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

1040212000 is a wasteful number, since it uses less digits than its factorization.

1040212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13731 (or 13713 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1040212000 is about 32252.3177461714. The cubic root of 1040212000 is about 1013.2282420255.

Adding to 1040212000 its reverse (2120401), we get a palindrome (1042332401).

The spelling of 1040212000 in words is "one billion, forty million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 125 152 160 190 200 250 304 380 400 475 500 608 760 800 950 1000 1520 1900 2000 2375 3040 3800 4000 4750 7600 9500 13687 15200 19000 27374 38000 54748 68435 76000 109496 136870 218992 260053 273740 342175 437984 520106 547480 684350 1040212 1094960 1300265 1368700 1710875 2080424 2189920 2600530 2737400 3421750 4160848 5201060 5474800 6501325 6843500 8321696 10402120 10949600 13002650 13687000 20804240 26005300 27374000 32506625 41608480 52010600 54748000 65013250 104021200 130026500 208042400 260053000 520106000 1040212000