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2077770740 = 225103888537
BaseRepresentation
bin111101111011000…
…0100001111110100
312100210200200121212
41323312010033310
513223402130430
6542101500552
7102326521433
oct17366041764
95323620555
102077770740
11976935a01
1249ba11758
13271606b56
14159d4111a
15c2625b95
hex7bd843f4

2077770740 has 12 divisors (see below), whose sum is σ = 4363318596. Its totient is φ = 831108288.

The previous prime is 2077770731. The next prime is 2077770797. The reversal of 2077770740 is 470777702.

It can be written as a sum of positive squares in 2 ways, for example, as 1563569764 + 514200976 = 39542^2 + 22676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51944249 + ... + 51944288.

It is an arithmetic number, because the mean of its divisors is an integer number (363609883).

Almost surely, 22077770740 is an apocalyptic number.

2077770740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2077770740 is an abundant number, since it is smaller than the sum of its proper divisors (2285547856).

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

2077770740 is a wasteful number, since it uses less digits than its factorization.

2077770740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103888546 (or 103888544 counting only the distinct ones).

The product of its (nonzero) digits is 134456, while the sum is 41.

The square root of 2077770740 is about 45582.5705725335. The cubic root of 2077770740 is about 1276.0446627318.

The spelling of 2077770740 in words is "two billion, seventy-seven million, seven hundred seventy thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 103888537 207777074 415554148 519442685 1038885370 2077770740