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1240214404 = 2211134015407
BaseRepresentation
bin100100111101100…
…0010101110000100
310012102200102022211
41021323002232010
510014443330104
6323022033204
742506435302
oct11173025604
93172612284
101240214404
11587083490
122a7418804
13169c347a0
14ba9db272
1573d30e04
hex49ec2b84

1240214404 has 48 divisors (see below), whose sum is σ = 2556642816. Its totient is φ = 518976000.

The previous prime is 1240214399. The next prime is 1240214419. The reversal of 1240214404 is 4044120421.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 226669 + ... + 232075.

It is an arithmetic number, because the mean of its divisors is an integer number (53263392).

Almost surely, 21240214404 is an apocalyptic number.

It is an amenable number.

1240214404 is an abundant number, since it is smaller than the sum of its proper divisors (1316428412).

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

1240214404 is a wasteful number, since it uses less digits than its factorization.

1240214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836 (or 5834 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1240214404 is about 35216.6779239610. The cubic root of 1240214404 is about 1074.3989873575.

Adding to 1240214404 its reverse (4044120421), we get a palindrome (5284334825).

The spelling of 1240214404 in words is "one billion, two hundred forty million, two hundred fourteen thousand, four hundred four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 401 572 802 1604 4411 5213 5407 8822 10426 10814 17644 20852 21628 57343 59477 70291 114686 118954 140582 229372 237908 281164 773201 1546402 2168207 3092804 4336414 8672828 23850277 28186691 47700554 56373382 95401108 112746764 310053601 620107202 1240214404