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120424542 = 2373737687
BaseRepresentation
bin1110010110110…
…00100001011110
322101121012102020
413023120201132
5221312041132
615541041010
72661406650
oct713304136
9271535366
10120424542
1161a81817
12343b6166
131bc45234
1411dca6d0
15a88b52c
hex72d885e

120424542 has 32 divisors (see below), whose sum is σ = 276029952. Its totient is φ = 34310304.

The previous prime is 120424537. The next prime is 120424543. The reversal of 120424542 is 245424021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120424543) 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, 11823 + ... + 19509.

It is an arithmetic number, because the mean of its divisors is an integer number (8625936).

Almost surely, 2120424542 is an apocalyptic number.

120424542 is an abundant number, since it is smaller than the sum of its proper divisors (155605410).

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

120424542 is a wasteful number, since it uses less digits than its factorization.

120424542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 120424542 is about 10973.8116440916. The cubic root of 120424542 is about 493.8234028135.

Adding to 120424542 its reverse (245424021), we get a palindrome (365848563).

The spelling of 120424542 in words is "one hundred twenty million, four hundred twenty-four thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 373 746 1119 2238 2611 5222 7687 7833 15374 15666 23061 46122 53809 107618 161427 322854 2867251 5734502 8601753 17203506 20070757 40141514 60212271 120424542