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1005520242 = 231914959197
BaseRepresentation
bin111011111011110…
…000010101110010
32121002001201110110
4323323300111302
54024403121432
6243435442150
733626531616
oct7373602562
92532051413
101005520242
11476654271
122408b6356
131304209bc
1497787346
155d421dcc
hex3bef0572

1005520242 has 32 divisors (see below), whose sum is σ = 2131128000. Its totient is φ = 315396288.

The previous prime is 1005520231. The next prime is 1005520259. The reversal of 1005520242 is 2420255001.

It is a happy number.

It is a super-2 number, since 2×10055202422 = 2022141914143477128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12613 + ... + 46584.

It is an arithmetic number, because the mean of its divisors is an integer number (66597750).

Almost surely, 21005520242 is an apocalyptic number.

1005520242 is an abundant number, since it is smaller than the sum of its proper divisors (1125607758).

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

1005520242 is a wasteful number, since it uses less digits than its factorization.

1005520242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59370.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1005520242 is about 31709.9391673967. The cubic root of 1005520242 is about 1001.8367051156.

Adding to 1005520242 its reverse (2420255001), we get a palindrome (3425775243).

The spelling of 1005520242 in words is "one billion, five million, five hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 149 298 447 894 2831 5662 8493 16986 59197 118394 177591 355182 1124743 2249486 3374229 6748458 8820353 17640706 26461059 52922118 167586707 335173414 502760121 1005520242