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3405864037 = 7943112203
BaseRepresentation
bin1100101100000001…
…0101110001100101
322210100201211010111
43023000111301211
523433400122122
61321543253021
7150254236522
oct31300256145
98710654114
103405864037
111498581074
127b074a171
134237c9c84
14244496149
1514e014d77
hexcb015c65

3405864037 has 4 divisors (see below), whose sum is σ = 3448976320. Its totient is φ = 3362751756.

The previous prime is 3405864001. The next prime is 3405864061. The reversal of 3405864037 is 7304685043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3405864037 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 (3405862037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21556023 + ... + 21556180.

It is an arithmetic number, because the mean of its divisors is an integer number (862244080).

Almost surely, 23405864037 is an apocalyptic number.

It is an amenable number.

3405864037 is a deficient number, since it is larger than the sum of its proper divisors (43112283).

3405864037 is an equidigital number, since it uses as much as digits as its factorization.

3405864037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43112282.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 3405864037 is about 58359.7809882799. The cubic root of 3405864037 is about 1504.5585821112.

The spelling of 3405864037 in words is "three billion, four hundred five million, eight hundred sixty-four thousand, thirty-seven".

Divisors: 1 79 43112203 3405864037