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330139542 = 23457120401
BaseRepresentation
bin10011101011011…
…000011110010110
3212000012211022110
4103223120132112
51134003431132
652432011450
711116065645
oct2353303626
9760184273
10330139542
1115a39a7a7
1292690b86
1353521455
1431bbb35c
151deb41cc
hex13ad8796

330139542 has 16 divisors (see below), whose sum is σ = 661729392. Its totient is φ = 109804800.

The previous prime is 330139531. The next prime is 330139549. The reversal of 330139542 is 245931033.

330139542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330139549) 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, 57459 + ... + 62942.

It is an arithmetic number, because the mean of its divisors is an integer number (41358087).

Almost surely, 2330139542 is an apocalyptic number.

330139542 is an abundant number, since it is smaller than the sum of its proper divisors (331589850).

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

330139542 is a wasteful number, since it uses less digits than its factorization.

330139542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120863.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 330139542 is about 18169.7424857921. The cubic root of 330139542 is about 691.1397127376.

The spelling of 330139542 in words is "three hundred thirty million, one hundred thirty-nine thousand, five hundred forty-two".

Divisors: 1 2 3 6 457 914 1371 2742 120401 240802 361203 722406 55023257 110046514 165069771 330139542