Search a number
-
+
100310040 = 23325278639
BaseRepresentation
bin1011111101010…
…01110000011000
320222202021111200
411332221300120
5201134410130
613541554200
72325423045
oct576516030
9228667450
10100310040
1151693466
1229715960
1317a2196c
14d4721cc
158c16760
hex5fa9c18

100310040 has 48 divisors (see below), whose sum is σ = 326008800. Its totient is φ = 26749248.

The previous prime is 100310027. The next prime is 100310051. The reversal of 100310040 is 40013001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138960 + ... + 139679.

It is an arithmetic number, because the mean of its divisors is an integer number (6791850).

Almost surely, 2100310040 is an apocalyptic number.

100310040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100310040 is an abundant number, since it is smaller than the sum of its proper divisors (225698760).

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

100310040 is a wasteful number, since it uses less digits than its factorization.

100310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278656 (or 278649 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100310040 is about 10015.4900029904. The cubic root of 100310040 is about 464.6380812010.

Adding to 100310040 its reverse (40013001), we get a palindrome (140323041).

The spelling of 100310040 in words is "one hundred million, three hundred ten thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 278639 557278 835917 1114556 1393195 1671834 2229112 2507751 2786390 3343668 4179585 5015502 5572780 6687336 8359170 10031004 11145560 12538755 16718340 20062008 25077510 33436680 50155020 100310040