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74308242 = 2385314519
BaseRepresentation
bin1000110110111…
…01101010010010
312011211020202010
410123131222102
5123010330432
611212403350
71561416051
oct433355222
9164736663
1074308242
1138a43978
1220a76556
1312519798
149c24398
1567cc3cc
hex46dda92

74308242 has 16 divisors (see below), whose sum is σ = 148800960. Its totient is φ = 24738672.

The previous prime is 74308231. The next prime is 74308301. The reversal of 74308242 is 24280347.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142 + ... + 12377.

It is an arithmetic number, because the mean of its divisors is an integer number (9300060).

Almost surely, 274308242 is an apocalyptic number.

74308242 is an abundant number, since it is smaller than the sum of its proper divisors (74492718).

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

74308242 is a wasteful number, since it uses less digits than its factorization.

74308242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15377.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 74308242 is about 8620.2228509476. Note that the first 3 decimals coincide. The cubic root of 74308242 is about 420.4157674250.

Adding to 74308242 its reverse (24280347), we get a palindrome (98588589).

The spelling of 74308242 in words is "seventy-four million, three hundred eight thousand, two hundred forty-two".

Divisors: 1 2 3 6 853 1706 2559 5118 14519 29038 43557 87114 12384707 24769414 37154121 74308242