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2057574694 = 27478930689
BaseRepresentation
bin111101010100100…
…0001100100100110
312022101200121212011
41322221001210212
513203214342234
6540100544434
7101663045020
oct17251014446
95271617764
102057574694
119664a135a
124950b211a
1326a385426
141573a5010
15c0986b64
hex7aa41926

2057574694 has 16 divisors (see below), whose sum is σ = 3528122400. Its totient is φ = 881604864.

The previous prime is 2057574689. The next prime is 2057574697. The reversal of 2057574694 is 4964757502.

It is a happy number.

It is a super-2 number, since 2×20575746942 = 8467227242778387272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057574697) 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, 51702 + ... + 82390.

It is an arithmetic number, because the mean of its divisors is an integer number (220507650).

Almost surely, 22057574694 is an apocalyptic number.

2057574694 is a deficient number, since it is larger than the sum of its proper divisors (1470547706).

2057574694 is a wasteful number, since it uses less digits than its factorization.

2057574694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35487.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The square root of 2057574694 is about 45360.4970651778. The cubic root of 2057574694 is about 1271.8967862371.

The spelling of 2057574694 in words is "two billion, fifty-seven million, five hundred seventy-four thousand, six hundred ninety-four".

Divisors: 1 2 7 14 4789 9578 30689 33523 61378 67046 214823 429646 146969621 293939242 1028787347 2057574694