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1042100430 = 235712134091
BaseRepresentation
bin111110000111010…
…011000011001110
32200121220012001020
4332013103003032
54113234203210
6251223455010
734552464450
oct7607230316
92617805036
101042100430
11495269528
12250bb7466
13137b8aa97
149c58a2d0
156174a770
hex3e1d30ce

1042100430 has 64 divisors (see below), whose sum is σ = 2861388288. Its totient is φ = 237939840.

The previous prime is 1042100401. The next prime is 1042100431. The reversal of 1042100430 is 340012401.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042100431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252685 + ... + 256775.

It is an arithmetic number, because the mean of its divisors is an integer number (44709192).

Almost surely, 21042100430 is an apocalyptic number.

1042100430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042100430 is an abundant number, since it is smaller than the sum of its proper divisors (1819287858).

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

1042100430 is a wasteful number, since it uses less digits than its factorization.

1042100430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1042100430 is about 32281.5803516495. The cubic root of 1042100430 is about 1013.8410190008.

Adding to 1042100430 its reverse (340012401), we get a palindrome (1382112831).

The spelling of 1042100430 in words is "one billion, forty-two million, one hundred thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1213 2426 3639 4091 6065 7278 8182 8491 12130 12273 16982 18195 20455 24546 25473 28637 36390 40910 42455 50946 57274 61365 84910 85911 122730 127365 143185 171822 254730 286370 429555 859110 4962383 9924766 14887149 24811915 29774298 34736681 49623830 69473362 74435745 104210043 148871490 173683405 208420086 347366810 521050215 1042100430