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122042430 = 2335452009
BaseRepresentation
bin1110100011000…
…11100000111110
322111122101202000
413101203200332
5222220324210
620035443130
73011225556
oct721434076
9274571660
10122042430
1162987314
1234a564a6
131c390773
14122cc166
15aaaaac0
hex746383e

122042430 has 32 divisors (see below), whose sum is σ = 325447200. Its totient is φ = 32544576.

The previous prime is 122042429. The next prime is 122042449. The reversal of 122042430 is 34240221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 225735 + ... + 226274.

It is an arithmetic number, because the mean of its divisors is an integer number (10170225).

Almost surely, 2122042430 is an apocalyptic number.

122042430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122042430 is an abundant number, since it is smaller than the sum of its proper divisors (203404770).

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

122042430 is a wasteful number, since it uses less digits than its factorization.

122042430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452025 (or 452019 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 122042430 is about 11047.2815660686. The cubic root of 122042430 is about 496.0250567250.

Adding to 122042430 its reverse (34240221), we get a palindrome (156282651).

The spelling of 122042430 in words is "one hundred twenty-two million, forty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 452009 904018 1356027 2260045 2712054 4068081 4520090 6780135 8136162 12204243 13560270 20340405 24408486 40680810 61021215 122042430