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803081040 = 243531107941
BaseRepresentation
bin101111110111100…
…000101101010000
32001222010202002020
4233313200231100
53121042043130
6211404451440
725621035066
oct5767405520
92058122066
10803081040
11382355743
121a4b49b80
13ca4c13a8
147892c036
154a784e10
hex2fde0b50

803081040 has 80 divisors (see below), whose sum is σ = 2569883136. Its totient is φ = 207244800.

The previous prime is 803081039. The next prime is 803081089. The reversal of 803081040 is 40180308.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 803081040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46531 + ... + 61410.

Almost surely, 2803081040 is an apocalyptic number.

803081040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

803081040 is an abundant number, since it is smaller than the sum of its proper divisors (1766802096).

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

803081040 is a wasteful number, since it uses less digits than its factorization.

803081040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107988 (or 107982 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 803081040 is about 28338.6845142819. The cubic root of 803081040 is about 929.5079834721.

The spelling of 803081040 in words is "eight hundred three million, eighty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 372 465 496 620 744 930 1240 1488 1860 2480 3720 7440 107941 215882 323823 431764 539705 647646 863528 1079410 1295292 1619115 1727056 2158820 2590584 3238230 3346171 4317640 5181168 6476460 6692342 8635280 10038513 12952920 13384684 16730855 20077026 25905840 26769368 33461710 40154052 50192565 53538736 66923420 80308104 100385130 133846840 160616208 200770260 267693680 401540520 803081040