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187342064 = 24713128669
BaseRepresentation
bin10110010101010…
…01110011110000
3111001111221222222
423022221303300
5340424421224
630331220212
74433244530
oct1312516360
9431457888
10187342064
1196827958
12528a7668
132ca749c0
141ac494c0
15116a8b5e
hexb2a9cf0

187342064 has 40 divisors (see below), whose sum is σ = 446742240. Its totient is φ = 74112768.

The previous prime is 187342037. The next prime is 187342093. The reversal of 187342064 is 460243781.

187342064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 62879 + ... + 65790.

It is an arithmetic number, because the mean of its divisors is an integer number (11168556).

Almost surely, 2187342064 is an apocalyptic number.

187342064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

187342064 is an abundant number, since it is smaller than the sum of its proper divisors (259400176).

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

187342064 is a wasteful number, since it uses less digits than its factorization.

187342064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128697 (or 128691 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 187342064 is about 13687.2957153705. The cubic root of 187342064 is about 572.1963724996.

The spelling of 187342064 in words is "one hundred eighty-seven million, three hundred forty-two thousand, sixty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 128669 257338 514676 900683 1029352 1672697 1801366 2058704 3345394 3602732 6690788 7205464 11708879 13381576 14410928 23417758 26763152 46835516 93671032 187342064