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4001402244 = 2237101471641
BaseRepresentation
bin1110111010000000…
…1000110110000100
3101022212100021222010
43232200020312010
531143324332434
61501015534220
7201105233520
oct35640106604
911285307863
104001402244
111773761804
1293808a370
134b9cc2a48
1429d5dad80
151864509e9
hexee808d84

4001402244 has 48 divisors (see below), whose sum is σ = 10776076416. Its totient is φ = 1131936000.

The previous prime is 4001402227. The next prime is 4001402263. The reversal of 4001402244 is 4422041004.

It is a super-2 number, since 2×40014022442 = 32022439836576471072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 4001402244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227337 + ... + 244304.

It is an arithmetic number, because the mean of its divisors is an integer number (224501592).

Almost surely, 24001402244 is an apocalyptic number.

It is an amenable number.

4001402244 is an abundant number, since it is smaller than the sum of its proper divisors (6774674172).

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

4001402244 is a wasteful number, since it uses less digits than its factorization.

4001402244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471756 (or 471754 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4001402244 is about 63256.6379441715. The cubic root of 4001402244 is about 1587.5865239302.

Adding to 4001402244 its reverse (4422041004), we get a palindrome (8423443248).

The spelling of 4001402244 in words is "four billion, one million, four hundred two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 101 202 303 404 606 707 1212 1414 2121 2828 4242 8484 471641 943282 1414923 1886564 2829846 3301487 5659692 6602974 9904461 13205948 19808922 39617844 47635741 95271482 142907223 190542964 285814446 333450187 571628892 666900374 1000350561 1333800748 2000701122 4001402244