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189382007 = 319476451
BaseRepresentation
bin10110100100110…
…11110101110111
3111012100121021102
423102123311313
5341440211012
630443040315
74456502063
oct1322336567
9435317242
10189382007
11979a0561
125351009b
133030a379
141b21aaa3
151195d2c2
hexb49bd77

189382007 has 8 divisors (see below), whose sum is σ = 195727872. Its totient is φ = 183051000.

The previous prime is 189382001. The next prime is 189382031. The reversal of 189382007 is 700283981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189382007 - 24 = 189381991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189382001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26132 + ... + 32582.

It is an arithmetic number, because the mean of its divisors is an integer number (24465984).

Almost surely, 2189382007 is an apocalyptic number.

189382007 is a deficient number, since it is larger than the sum of its proper divisors (6345865).

189382007 is an equidigital number, since it uses as much as digits as its factorization.

189382007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 189382007 is about 13761.6135318501. The cubic root of 189382007 is about 574.2657364833.

The spelling of 189382007 in words is "one hundred eighty-nine million, three hundred eighty-two thousand, seven".

Divisors: 1 31 947 6451 29357 199981 6109097 189382007