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122742050 = 2522454841
BaseRepresentation
bin1110101000011…
…10010100100010
322112221221102212
413110032110202
5222410221200
620102442122
73020201354
oct724162442
9275857385
10122742050
1163314a12
1235133342
131c577042
14124310d4
15ab98035
hex750e522

122742050 has 12 divisors (see below), whose sum is σ = 228300306. Its totient is φ = 49096800.

The previous prime is 122742047. The next prime is 122742101. The reversal of 122742050 is 50247221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 86248369 + 36493681 = 9287^2 + 6041^2 .

It is a super-2 number, since 2×1227420502 = 30131221676405000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227371 + ... + 1227470.

Almost surely, 2122742050 is an apocalyptic number.

122742050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122742050 is a deficient number, since it is larger than the sum of its proper divisors (105558256).

122742050 is a wasteful number, since it uses less digits than its factorization.

122742050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454853 (or 2454848 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 122742050 is about 11078.9011187933. The cubic root of 122742050 is about 496.9710884404.

Adding to 122742050 its reverse (50247221), we get a palindrome (172989271).

The spelling of 122742050 in words is "one hundred twenty-two million, seven hundred forty-two thousand, fifty".

Divisors: 1 2 5 10 25 50 2454841 4909682 12274205 24548410 61371025 122742050