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1197296420 = 2251013971493
BaseRepresentation
bin100011101011101…
…0100101100100100
310002102220221220212
41013113110230210
54423001441140
6314450114552
741445565055
oct10727245444
93072827825
101197296420
1156492a581
12294b7ba58
13161088a28
14b502872c
15701a4765
hex475d4b24

1197296420 has 48 divisors (see below), whose sum is σ = 2547317808. Its totient is φ = 472665600.

The previous prime is 1197296413. The next prime is 1197296423. The reversal of 1197296420 is 246927911.

It can be written as a sum of positive squares in 8 ways, for example, as 295014976 + 902281444 = 17176^2 + 30038^2 .

It is not an unprimeable number, because it can be changed into a prime (1197296423) 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, 801194 + ... + 802686.

It is an arithmetic number, because the mean of its divisors is an integer number (53069121).

Almost surely, 21197296420 is an apocalyptic number.

1197296420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1197296420 is an abundant number, since it is smaller than the sum of its proper divisors (1350021388).

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

1197296420 is a wasteful number, since it uses less digits than its factorization.

1197296420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1197296420 is about 34601.9713311251. The cubic root of 1197296420 is about 1061.8599184179.

The spelling of 1197296420 in words is "one billion, one hundred ninety-seven million, two hundred ninety-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 397 404 505 794 1010 1493 1588 1985 2020 2986 3970 5972 7465 7940 14930 29860 40097 80194 150793 160388 200485 301586 400970 592721 603172 753965 801940 1185442 1507930 2370884 2963605 3015860 5927210 11854420 59864821 119729642 239459284 299324105 598648210 1197296420