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1052431432 = 231319532607
BaseRepresentation
bin111110101110101…
…101010001001000
32201100100001111221
4332232231101020
54123410301212
6252233131424
735036343133
oct7656552110
92640301457
101052431432
114a0085348
12254559b74
1313a0671c0
149dab921a
15625db807
hex3ebad448

1052431432 has 32 divisors (see below), whose sum is σ = 2236953600. Its totient is φ = 460171584.

The previous prime is 1052431421. The next prime is 1052431433. The reversal of 1052431432 is 2341342501.

It is a super-2 number, since 2×10524314322 = 2215223838123141248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052431397 and 1052431406.

It is not an unprimeable number, because it can be changed into a prime (1052431433) 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, 264328 + ... + 268279.

It is an arithmetic number, because the mean of its divisors is an integer number (69904800).

Almost surely, 21052431432 is an apocalyptic number.

It is an amenable number.

1052431432 is an abundant number, since it is smaller than the sum of its proper divisors (1184522168).

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

1052431432 is a wasteful number, since it uses less digits than its factorization.

1052431432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532645 (or 532641 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1052431432 is about 32441.1996079060. The cubic root of 1052431432 is about 1017.1802912666.

Adding to 1052431432 its reverse (2341342501), we get a palindrome (3393773933).

The spelling of 1052431432 in words is "one billion, fifty-two million, four hundred thirty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 532607 1065214 2130428 4260856 6923891 10119533 13847782 20239066 27695564 40478132 55391128 80956264 131553929 263107858 526215716 1052431432