Search a number
-
+
1960147572 = 223163345631
BaseRepresentation
bin111010011010101…
…0111101001110100
312001121100210222020
41310311113221310
513003244210242
6522300433140
766400656645
oct16465275164
95047323866
101960147572
119164a7979
124685487b0
13253132a46
141484836cc
15b713e6ec
hex74d57a74

1960147572 has 12 divisors (see below), whose sum is σ = 4573677696. Its totient is φ = 653382520.

The previous prime is 1960147571. The next prime is 1960147573. The reversal of 1960147572 is 2757410691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1960147571) and next prime (1960147573).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1960147571) 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, 81672804 + ... + 81672827.

It is an arithmetic number, because the mean of its divisors is an integer number (381139808).

Almost surely, 21960147572 is an apocalyptic number.

1960147572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1960147572 is an abundant number, since it is smaller than the sum of its proper divisors (2613530124).

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

1960147572 is a wasteful number, since it uses less digits than its factorization.

1960147572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163345638 (or 163345636 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 1960147572 is about 44273.5538668402. The cubic root of 1960147572 is about 1251.4963567118.

The spelling of 1960147572 in words is "one billion, nine hundred sixty million, one hundred forty-seven thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 163345631 326691262 490036893 653382524 980073786 1960147572