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1438150700 = 225271727109
BaseRepresentation
bin101010110111000…
…0111000000101100
310201020010121212202
41111232013000230
510421131310300
6354412321032
750432036120
oct12556070054
93636117782
101438150700
116788869a8
12341773178
1319bc4865c
14d9003580
15863cdad5
hex55b8702c

1438150700 has 108 divisors (see below), whose sum is σ = 3789288720. Its totient is φ = 464010240.

The previous prime is 1438150699. The next prime is 1438150709. The reversal of 1438150700 is 70518341.

It is not an unprimeable number, because it can be changed into a prime (1438150709) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 198746 + ... + 205854.

Almost surely, 21438150700 is an apocalyptic number.

1438150700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1438150700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1894644360).

1438150700 is an abundant number, since it is smaller than the sum of its proper divisors (2351138020).

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

1438150700 is a wasteful number, since it uses less digits than its factorization.

1438150700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164 (or 7140 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1438150700 is about 37922.9574268674. The cubic root of 1438150700 is about 1128.7596225940.

The spelling of 1438150700 in words is "one billion, four hundred thirty-eight million, one hundred fifty thousand, seven hundred".

Divisors: 1 2 4 5 7 10 14 17 20 25 28 34 35 50 68 70 85 100 119 140 170 175 238 289 340 350 425 476 578 595 700 850 1156 1190 1445 1700 2023 2380 2890 2975 4046 5780 5950 7109 7225 8092 10115 11900 14218 14450 20230 28436 28900 35545 40460 49763 50575 71090 99526 101150 120853 142180 177725 199052 202300 241706 248815 355450 483412 497630 604265 710900 845971 995260 1208530 1244075 1691942 2054501 2417060 2488150 3021325 3383884 4109002 4229855 4976300 6042650 8218004 8459710 10272505 12085300 14381507 16919420 20545010 21149275 28763014 41090020 42298550 51362525 57526028 71907535 84597100 102725050 143815070 205450100 287630140 359537675 719075350 1438150700