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392000001 = 31934719819
BaseRepresentation
bin10111010111010…
…111001000000001
31000022121122220120
4113113113020001
51300323000001
6102521530453
712466642101
oct2727271001
91008548816
10392000001
11191301448
12ab343a29
13632a0183
143a0c1201
1524633236
hex175d7201

392000001 has 16 divisors (see below), whose sum is σ = 551788800. Its totient is φ = 246853008.

The previous prime is 391999987. The next prime is 392000009. The reversal of 392000001 is 100000293.

It is a de Polignac number, because none of the positive numbers 2k-392000001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (392000009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9870 + ... + 29688.

It is an arithmetic number, because the mean of its divisors is an integer number (34486800).

Almost surely, 2392000001 is an apocalyptic number.

It is an amenable number.

392000001 is a deficient number, since it is larger than the sum of its proper divisors (159788799).

392000001 is a wasteful number, since it uses less digits than its factorization.

392000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20188.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 392000001 is about 19798.9898984771. The cubic root of 392000001 is about 731.8611426269.

Adding to 392000001 its reverse (100000293), we get a palindrome (492000294).

The spelling of 392000001 in words is "three hundred ninety-two million, one", and thus it is an aban number.

Divisors: 1 3 19 57 347 1041 6593 19779 19819 59457 376561 1129683 6877193 20631579 130666667 392000001