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74078030 = 2513569831
BaseRepresentation
bin1000110101001…
…01011101001110
312011101112221202
410122211131032
5122430444110
611203425502
71556436635
oct432453516
9164345852
1074078030
11388a6a14
1220985292
1312468a70
149ba451c
1567840a5
hex46a574e

74078030 has 16 divisors (see below), whose sum is σ = 143597664. Its totient is φ = 27351840.

The previous prime is 74077999. The next prime is 74078071. The reversal of 74078030 is 3087047.

It is a junction number, because it is equal to n+sod(n) for n = 74077984 and 74078002.

It is a congruent number.

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, 284786 + ... + 285045.

It is an arithmetic number, because the mean of its divisors is an integer number (8974854).

Almost surely, 274078030 is an apocalyptic number.

74078030 is a deficient number, since it is larger than the sum of its proper divisors (69519634).

74078030 is a wasteful number, since it uses less digits than its factorization.

74078030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569851.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 74078030 is about 8606.8594736989. The cubic root of 74078030 is about 419.9811593967.

The spelling of 74078030 in words is "seventy-four million, seventy-eight thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 569831 1139662 2849155 5698310 7407803 14815606 37039015 74078030