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123072316 = 22171809887
BaseRepresentation
bin1110101010111…
…10111100111100
322120120201110221
413111132330330
5223001303231
620113511124
73023045263
oct725367474
9276521427
10123072316
1163520064
12352724a4
131c661473
14124b95da
15ac10d11
hex755ef3c

123072316 has 12 divisors (see below), whose sum is σ = 228045888. Its totient is φ = 57916352.

The previous prime is 123072293. The next prime is 123072343. The reversal of 123072316 is 613270321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904876 + ... + 905011.

It is an arithmetic number, because the mean of its divisors is an integer number (19003824).

Almost surely, 2123072316 is an apocalyptic number.

It is an amenable number.

123072316 is a deficient number, since it is larger than the sum of its proper divisors (104973572).

123072316 is a wasteful number, since it uses less digits than its factorization.

123072316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809908 (or 1809906 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 123072316 is about 11093.7962844105. The cubic root of 123072316 is about 497.4164279711.

The spelling of 123072316 in words is "one hundred twenty-three million, seventy-two thousand, three hundred sixteen".

Divisors: 1 2 4 17 34 68 1809887 3619774 7239548 30768079 61536158 123072316