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1090678404 = 2231994431031
BaseRepresentation
bin100000100000010…
…0110111010000100
32211000022012111110
41001000212322010
54213203202104
6300121005020
736012420264
oct10100467204
92730265443
101090678404
1150a728912
12265323770
13144c68b4a
14a4bd37a4
1565b43e89
hex41026e84

1090678404 has 48 divisors (see below), whose sum is σ = 2565964800. Its totient is φ = 360565920.

The previous prime is 1090678399. The next prime is 1090678409. The reversal of 1090678404 is 4048760901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1090678399) and next prime (1090678409).

It is not an unprimeable number, because it can be changed into a prime (1090678409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057369 + ... + 1058399.

It is an arithmetic number, because the mean of its divisors is an integer number (53457600).

Almost surely, 21090678404 is an apocalyptic number.

It is an amenable number.

1090678404 is an abundant number, since it is smaller than the sum of its proper divisors (1475286396).

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

1090678404 is a wasteful number, since it uses less digits than its factorization.

1090678404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1090678404 is about 33025.4205726437. The cubic root of 1090678404 is about 1029.3559312720.

The spelling of 1090678404 in words is "one billion, ninety million, six hundred seventy-eight thousand, four hundred four".

Divisors: 1 2 3 4 6 12 199 398 443 597 796 886 1031 1194 1329 1772 2062 2388 2658 3093 4124 5316 6186 12372 88157 176314 205169 264471 352628 410338 456733 528942 615507 820676 913466 1057884 1231014 1370199 1826932 2462028 2740398 5480796 90889867 181779734 272669601 363559468 545339202 1090678404